Guinness Chocolate Layer Cake

A rich Guinness chocolate layer cake with stout in the batter, currants folded throughout, a dark chocolate stout syrup brushed over the layers, tart currant jelly between the layers, and a thick coating of bittersweet chocolate icing.

Guinness Chocolate Layer Cake, A Flavor Triangle

I’ve always had a weakness for any food that feels very tied to a place. It’s just my thing. And Guinness and chocolate have always belonged together anyway. Both dark and a little bitter. Both better when they’re taken seriously.

I also have a long history of starting something in the kitchen that seems perfectly reasonable and then somehow it turns into a much bigger project than I expected. It usually starts with a normal thought like, “a Guinness chocolate cake would be good for a dinner party, basically a chocolate stout cake, and St. Patrick’s Day is coming up,” and somewhere along the way I end up soaking fruit in stout, brushing syrup into cake layers, and spreading tart currant jelly in the middle like it was always part of my plan.

And once I think about it, I won’t leave it alone until I resolve it. This doesn’t just happen with food, by the way.

Around the time I first started thinking about this cake (2006) my days were pretty insane. I was moving between vineyard class work, wine tastings, distillation, flavor analysis and yeast biology classes where my days were mostly learning how to break flavor apart into micro components and understand why something tasted the way it did. When you spend enough time doing that, your brain starts organizing ingredients the same way. I stopped thinking about recipes as single ideas and started thinking about how flavors balance each other out. Once that’s required of you at that level, it reorganizes how you think about everything you taste. Sometimes I wish I could turn it off.

The stout came first because I knew I wanted to create a dessert around Guinness. Chocolate followed immediately because roasted grain and cocoa already hang out in the same dark corner of the flavor world. But those two together can feel very heavy as a pair, so I knew the third piece had to be something different enough to drive against them.

Currants were the first thing that made sense. Weird, right? Especially for the American palate.

But hear me out. They show up constantly in Irish baking, and by that point I had already spent years smelling and tasting currant notes in wine, a very common descriptor, so that flavor already existed in my head as something familiar. Currants are tart, slightly dark, and cheerful enough to cut through chocolate without disappearing into it. It was kind of a bullseye.

At some point I sketched out a little triangle in my kitchen journal. Three points. Stout on one side, dark chocolate on another, currants on the third. Once those three things were sitting there in the margin, the rest of the cake started assembling itself in my head.

And then of course I had to figure out how to bring it to life. And this was a couple years before this site even existed.

So somewhere around two in the morning, after vineyard work, classes, homework, dinner, and getting the kids to bed, I was standing in my kitchen soaking currants in stout and trying to turn that flavor triangle into a cake. When I look back now at that page in my cooking journal, I have a written note in the margin:

“2:23 a.m. What kind of stupidity are you performing right now? Go to bed. Your kids will be up in three hours.”

Guinness went into the batter so the chocolate cake passed that roasted stout flavor on. I soaked the currants in the stout too so they stayed lively and tart instead of fading into the background. I made a cocoa stout drizzling syrup and brushed it into the warm layers so the cake would hold onto that chocolate flavor all the way through. Then I added a layer of currant jelly in the middle because the whole thing needed one clean line of fruit to keep the chocolate from becoming the ultimate boss. Even I have chocolate limits.

After many trials, my final cake ended up right where that little triangle was pointing. Dark chocolate, roasted stout, and tart currants all happily communing together to keep every bite really interesting.

This is not the quickest cake in the world, but every part of it exists because of those three flavors and the way they balance each other.

Looking back, the cake probably existed the moment I drew that triangle. The two-in-the-morning baking sessions were just the formality.

I don’t remember if I ever served it at a dinner party or not.

What is a Guinness Chocolate Cake?

• Guinness in chocolate cake isn’t there so the cake tastes like beer. It’s because stout already has the same roasted flavors chocolate has – malt, coffee, and bitterness. Chocolate sees that and says, “hey, finally, someone who understands me.” Honestly, it’s one of the most perfect pairings, which is why this style of chocolate stout cake works so well.
• When stout goes into the batter, it develops the cocoa flavor instead of sitting on top of it. The cake ends up tasting darker and richer without becoming sweeter.
• In this cake, I didn’t want the Guinness only in the batter. So I soaked the currants in the stout first so they would plump up and hold that flavor all the way through the cake.
• That same stout gets turned into a cocoa syrup that gets brushed over the cake layers. That syrup sinks in while the cake is still warm and keeps everything ridiculously moist.
• And because I couldn’t stop, there’s the currant jelly layer, which sounds slightly chaotic until you taste it. Dark chocolate cake needs something tart or it turns into a chocolate brick.
• Finally, I covered the whole thing in bittersweet chocolate icing, which is less “frosting” and more a thick chocolate blanket holding the layers together.
• By the time the cake is finished, you don’t taste Guinness as beer. You just taste a very dark chocolate cake that somehow feels more complex than the ingredients it started with.

Ingredients

• Guinness stout – This is where the whole cake starts. Guinness has the roasted, slightly bitter flavor that makes chocolate taste darker instead of sweeter.
• Dark brown sugar, granulated sugar and confectioners’ sugar – Three sugars show up here because each one ends up in a different part of the cake. Brown sugar goes in the syrup, granulated sugar in the batter, and confectioners’ sugar finishes the icing.
• Unsweetened cocoa powder – Cocoa is the bridge ingredient in this cake. It shows up in the batter and again in the syrup so the chocolate flavor runs through the entire thing.
• Vanilla extract – Chocolate desserts always taste better once vanilla is involved.
• Dried Zante currants – These are the tiny currants you’ll find next to the raisins in the grocery store. They’re small, slightly tart, and once they soak in the Guinness they become little bursts of flavor throughout the cake. Currants show up constantly in Irish and British baking, especially in darker cakes and puddings. So this isn’t a random baking whim.
• Semisweet and dark chocolate – Both get used here. The semisweet melts into the batter, while the darker chocolate goes into the icing so the whole cake doesn’t go too sweet.
• Mini chocolate chips (optional) – Just a garnish if you want a little extra chocolate on top. Completely optional.
• All-purpose flour – Regular all-purpose flour is all this cake needs.
• Butter, eggs, baking powder, baking soda and salt – These are the usual cake ingredients. They give the cake richness, lift, and enough balance so the chocolate doesn’t overwhelm everything else.
• Red currant jelly – This is the fruit layer between the cakes. Currant jelly cuts through the chocolate and stout. Tart fruit like currants is traditional in Irish desserts. If you can’t find red currant jelly, a good quality grape jelly works surprisingly well as a substitute.
• Heavy cream – Used for the icing. When it’s whipped with the melted chocolate, it turns into a thick, spreadable chocolate mixture that coats the entire cake.

How to Make This Guinness Chocolate Layer Cake

Find the complete printable recipe with measurements in the recipe card at the BOTTOM OF THE POST.

• Step One (start with the icing)
  The icing needs time to chill and thicken, so make it first. Heat the cream until it just starts to simmer, then pour it over the chopped chocolate and whisk until smooth. Cover and refrigerate it while the cake bakes. Later it gets whipped into a thick bittersweet icing.
• Step Two (make the stout syrup)
  In a small saucepan, whisk together the Guinness, brown sugar, cocoa powder, and vanilla. Heat it gently until the sugar dissolves and the syrup becomes smooth. Set it aside. This gets brushed over the cake layers while they’re still warm.
• Step Three (soak the currants)
  Pour the Guinness stout over the currants and let them sit for about 15 minutes. They’ll plump up and absorb the stout, which is what gives those little bursts of flavor throughout the cake.
• Step Four (make the cake batter)
  Whisk the dry ingredients together in one bowl. In another bowl, beat the butter and sugar until smooth, then add the eggs and vanilla. Stir the chocolate mixture with the buttermilk, then add the dry ingredients alternately with the chocolate mixture until the batter comes together.
• Step Five (bake the cake layers)
  Stir the soaked currants into the batter, divide it between the prepared pans, and bake until a toothpick comes out clean. Let the layers cool briefly, then turn them out onto a rack.
• Step Six (syrup, jelly, and icing)
  Poke the warm cake layers with a skewer and spoon the stout syrup over them so it soaks into the layers. This is the moment the cake really becomes itself. Spread the currant jelly over the first layer, add some of the icing, then stack the second layer and finish icing the entire cake.

Recipe Tips

• You don’t want to skip soaking the currants. Dry currants will disappear into the batter. Soaking them in Guinness stout first plumps them up and gives you those little bursts of tang throughout the cake.
• Make sure to brush the syrup on while the cake is warm. Warm cake will absorb the stout syrup much better than cold cake. If the layers cool completely first, the syrup sits on top instead of soaking in. You don’t want that.
• Poke the cake layers before adding the syrup. A skewer or toothpick makes tiny channels so the stout syrup can sink into the cake instead of sliding off the surface.
• Let the jelly layer chill before stacking. After spreading the currant jelly, give it about 30 minutes in the refrigerator. It firms up slightly and keeps the layers from sliding around when you add the icing.
• Start making the icing early. The chocolate cream mixture needs several hours in the refrigerator before it can be whipped into icing. If you forget and try to hurry it, it won’t thicken properly. Make it first and it will be ready when the cake is done.
• Promise me you’ll use good chocolate for the icing. The icing is mostly chocolate and cream, so the flavor of the chocolate really matters here.
• Let the cake rest a bit before serving. After the stout syrup, currant jelly, and icing come together, the cake tastes better after resting for a little while. Everything relaxes in and the layers hold together better when you slice it.
• Have a spoon ready when you make the stout syrup. There will be a moment when you think about just drinking it. I’m not saying you will. I’m just saying the thought will occur.
• Try not to eat the soaked currants while you’re assembling the cake. They taste like tiny stout raisins and disappear faster than you think. Experience is speaking here.
• Let the icing chill long enough. If you get impatient and try to whip it too early, it turns into a chocolate soup and then you’re standing there reconsidering your tendency for impatience.
• Don’t fall apart if the syrup looks like a lot. The cake absorbs it. That’s the whole reason for poking it full of holes in the first place.

Storage

• Refrigerator (up to 4–5 days) – Because the icing is cream-based, store the cake in the refrigerator. Cover it loosely or place it in a cake container so it doesn’t dry out.
• Bring to room temperature before serving – Cold chocolate cake can taste a little muted. Let the cake sit at room temperature for about 30 minutes before serving so the icing softens and the chocolate flavor comes back to life.
• Texture over time – The cake gets better after the first day. The stout syrup continues soaking into the layers and the currant jelly soaks in, so everything tastes more blended.
• Freezing – You can freeze the cake layers before assembling. Wrap them tightly in plastic wrap and freeze for up to 2 months, then thaw completely before adding the syrup, currant jelly, and icing.

FAQs

• Does the cake taste like beer?
  It does not. Guinness gives the chocolate flavor more nuance. The cake tastes rich and dark, not like a pint.
• Why soak the currants in stout first?
  So they plump up and don’t pull moisture out of the cake while it bakes. It also lets the fruit pick up some of the stout flavor. They’re sneaky good.
• What if I can’t find red currant jelly?
  Use a good grape jelly. You want something with a little tartness to cut through the chocolate cake. However, grape jelly will make the cake slightly sweeter.
• Can I skip the syrup step?
  You can, but it’s one of the steps that makes the cake special. The syrup soaks into the layers and keeps everything extra moist.
• Do I have to make the icing ahead of time?
  Yes, yes, yes. It needs several hours in the refrigerator so it firms up enough to whip into a spreadable icing.
• Is this a complicated cake to make?
  Not really. There are a few moving parts: soaking currants, brushing syrup over the layers, making the icing ahead, but none of it is difficult. It just means you’re the kind of person who doesn’t mind putting a little extra effort into a cake.
• Why does this cake have so many steps?
  Because each step adds something. The stout syrup keeps the cake tender, the currants bring a little tartness, the jelly cuts through the chocolate, and the icing ties everything together. You can make a simpler chocolate cake, but this one is built this way on purpose.
• Why put Guinness in a chocolate cake at all?
  Because Guinness stout and chocolate are naturally complementary. The roasted malt flavor in Guinness develops the cocoa and makes the cake taste darker and richer without adding more sugar.

From My Kitchen Notes

These are observational margin scribbles, not a speech.

• Currants look like raisins (they’re actually dried baby grapes) that shrank in the wash, but the second they come in contact with something warm, they transform into little bursts of rebellion hiding inside the cake, which feels like a mirror to my personality.
• Chocolate and Guinness stout have a way of finding each other without much guidance. Some combinations just know where they’re going.
• There’s a certain peace in committing to a cake that clearly isn’t trying to be simple. Once you’ve made the syrup and opened the currant jelly, you’re already in it.
• Some ingredient combinations look strange until you realize they’ve been working together for centuries.
• At some point while making this cake I always realize I could have stopped about three steps earlier and still had a perfectly good dessert. But then I wouldn’t be me.
• Things worth finishing usually take longer to come together than anyone expects. The right ones always know.
• Some things take a while to line up properly. The only real mistake is walking away before they do.
• I thrive in moments where everything looks like it’s a mess. It only means the good part is coming.
• I’ve learned that when an idea keeps improving as you add to it, the smartest thing to do is usually keep going and see where it ends.
• Sometimes the best flavors don’t show up immediately. They need time to move through things first.
• Sure, there are easier desserts. That has never once been a compelling argument for me.
• I’ve thought about making this with a chocolate porter but haven’t tried it yet. When I think through the fermentation curve and the way those roasted flavors develop, it seems like it would push the chocolate even further than Guinness. Guinness gives the cake that dark roasted bitterness that cocoa likes, but a chocolate porter already has cocoa-like notes built into it. In my mind that would probably make the whole cake taste even darker and more chocolate-heavy, and I suspect it would play really nicely with the currants too since that sweet-tart fruit tends to wake up darker chocolate flavors. One day I’ll probably test that theory. I think it would be good.
• Every once in a while, a dessert turns into a small act of commitment. Not because anyone asked for it, but because the idea deserved to be finished properly.
• Some recipes slowly turn into projects.
• At some point, you stop asking whether another step is necessary and just finish it the right way.
• Chocolate and stout understand each other immediately. No awkward introductions, no explanation required.

More St. Patrick’s Day Desserts

• Baileys Irish Cream Tiramisu – Baileys mascarpone cream and cocoa.
• Baileys Irish Cream Bundt Cake – Irish cream in batter and glaze.
• Chocolate Guinness Doughnuts – bourbon cream glaze with bacon.
• Guinness Sundae – butter pecan ice cream, Guinness sauce.
• Lucky Charms Ice Cream – cereal milk ice cream with Lucky Charms.

This post may contain affiliate links. Please read my disclosure policy.

This Guinness chocolate layer cake is a classic chocolate stout cake where the roasted flavor of the stout works with the cocoa to create a darker, richer chocolate cake. The full recipe with exact measurements is just below.

Print Recipe

5 from 12 votes

Guinness Chocolate Layer Cake

A rich Guinness chocolate layer cake with stout in the batter, currants folded throughout, a dark chocolate stout syrup brushed over the layers, tart currant jelly between them, and a thick coating of bittersweet chocolate icing.

Prep Time40 minutes mins

Cook Time40 minutes mins

Additional Time:4 hours hrs 30 minutes mins

Total Time5 hours hrs 50 minutes mins

Course: Dessert

Cuisine: American, Irish Dessert, Irish-Inspired

Keyword: chocolate cake with stout, chocolate stout cake, Guinness chocolate layer cake, Guinness stout chocolate cake, Guinness stout chocolate layer cake, stout dessert

Servings: 12 slices

Calories: 640kcal

Author: Cathy Pollak

Equipment

• mixing bowls (heatproof). Needed for making the chocolate ganache base for the icing.
• Saucepan (heavy). Used for preparing the chocolate stout syrup and heating the stout mixture.
• 2 8-inch cake pan For evenly sized layers for stacking and filling.
• Stand Mixer hand mixer. Used to cream the butter and sugar and whip the icing until smooth and spreadable.
• rubber spatula Useful for folding the batter and spreading the icing smoothly.

Ingredients

Drizzling Syrup:

• ⅓ cup (79 ml) Guinness stout (measured after foam subsides)
• ⅓ cup (71 g) dark brown sugar
• 3 tbsps (15 g) unsweetened cocoa powder
• 1 tsp (5 ml) vanilla extract

Cake:

• ⅔ cup (158 ml) Guinness stout (measured after foam subsides)
• ⅔ cup (55 g) dried Zante currants (find them next to the raisins)
• ⅓ cup (27 g), plus 2 tbsps (10 g) unsweetened cocoa powder divided
• 2 oz (58 g) semisweet chocolate, chopped into small pieces
• ¾ cup (177 ml) buttermilk
• 1¾ cups (350 g), plus 2 tbsps (25 g) granulated sugar divided
• 2 cups (240 g), plus 2 tbsps. (16 g) all-purpose flour divided
• cooking spray
• ⅔ cup (151 g or 1-1/3 sticks) butter softened
• 4 large eggs room temperature
• 1½ tsps (8 ml) vanilla extract
• 1½ tsps (6 g) baking soda
• ½ tsp (3 g) baking powder
• ¼ tsp (2 g) table salt
• ½ cup (180 g) red currant jelly, warmed (Bonne Maman is the easiest brand to find (sub with grape jelly if you cannot find))
• Garnish: (optional) mini chocolate chips

Bittersweet Icing:

• 1½ cups (360 ml) heavy cream
• 6 oz (170 g) dark chocolate (85% cacao), chopped
• 4½ tbsps (35 g) confectioners' sugar
• 4½ tbsps (23 g) unsweetened cocoa powder
• 1½ tsps (8 ml) vanilla extract
• ⅛ tsp (1 g) table salt

Instructions

• The icing requires a 4-hour lead time, so it is best to begin with it first so it will be ready when the cake finishes baking. Read through the entire recipe before starting. Instructions for the icing are at the end of the recipe.
• To prepare the drizzling syrup, combine all ingredients in a small heavy saucepan, whisking until smooth. Heat over medium heat until the sugar dissolves and the syrup becomes smooth. Remove from the heat and set aside.
  ⅓ cup (79 ml) Guinness stout (measured after foam subsides), ⅓ cup (71 g) dark brown sugar, 3 tbsps (15 g) unsweetened cocoa powder, 1 tsp (5 ml) vanilla extract
• Pour the Guinness stout over the currants and let them soak until plump, about 15 minutes. Drain the currants, reserving the Guinness stout. Add the reserved Guinness stout to a small saucepan and whisk in 1/3 cup (27 g) cocoa. Bring the mixture to a simmer, then remove from the heat and add the semisweet chocolate, stirring until melted and smooth. Let the mixture cool slightly, then stir in the buttermilk.
  ⅔ cup (158 ml) Guinness stout (measured after foam subsides), ⅔ cup (55 g) dried Zante currants , ⅓ cup (27 g), plus 2 tbsps (10 g) unsweetened cocoa powder, 2 oz (58 g) semisweet chocolate, chopped into small pieces , ¾ cup (177 ml) buttermilk
• Preheat the oven to 350 degrees F (175°C). In a small bowl, combine the remaining 2 tablespoons (10 g) unsweetened cocoa, 2 tablespoons (25 g) granulated sugar, and 2 tablespoons (16 g) flour. Coat two 8-inch (20 cm) round cake pans with cooking spray, then dust them with the cocoa mixture, shaking out any excess.
  1¾ cups (350 g), plus 2 tbsps (25 g) granulated sugar, 2 cups (240 g), plus 2 tbsps. (16 g) all-purpose flour, cooking spray
• In a mixing bowl, beat the butter with a mixer at medium speed until smooth. Gradually beat in the remaining 1¾ cups (350 g) sugar until well blended. Add the eggs one at a time, beating well after each addition, then beat in the vanilla extract.
  ⅔ cup (151 g or 1-1/3 sticks) butter, 4 large eggs, 1½ tsps (8 ml) vanilla extract
• In a separate bowl, combine the remaining 2 cups (240 g) flour with the baking soda, baking powder, and salt. Add the flour mixture to the butter mixture alternately with the chocolate mixture, beating on low speed just until blended. Do not overmix. Stir in the currants.
  1½ tsps (6 g) baking soda, ½ tsp (3 g) baking powder, ¼ tsp (2 g) table salt
• Divide the batter evenly between the prepared pans. Bake for 40 minutes, or until a wooden pick inserted in the center comes out clean. Cool the cakes in the pans on a wire rack for 10 minutes, then invert onto a rack and allow them to cool for another 30 minutes.
• Once the cake layers have cooled slightly, poke the tops with a skewer or toothpick. Spoon the drizzling syrup evenly over the layers. Place one cake layer on a serving platter and spread the warmed jelly evenly over the top. Refrigerate for 30 minutes. Spread about one quarter of the bittersweet icing over the chilled jelly layer, then place the second cake layer on top and finish icing the entire cake.
  ½ cup (180 g) red currant jelly, warmed (Bonne Maman is the easiest brand to find (sub with grape jelly if you cannot find))
• While the cake layer is chilling, prepare the icing. Bring the cream to a simmer, taking care not to scorch it. Place the chocolate in a heatproof bowl, pour the hot cream over it, and whisk until the chocolate melts and the mixture is completely smooth. Cover and chill for 4 to 6 hours.
  1½ cups (360 ml) heavy cream, 6 oz (170 g) dark chocolate (85% cacao), chopped
• After chilling, the chocolate mixture will be firm. Place the bowl briefly over warm water to begin softening it. Once loosened, sift in the confectioners' sugar, unsweetened cocoa, vanilla, and salt. Using a hand mixer, whip until the icing is smooth and spreadable.
  4½ tbsps (35 g) confectioners' sugar, 4½ tbsps (23 g) unsweetened cocoa powder, 1½ tsps (8 ml) vanilla extract, ⅛ tsp (1 g) table salt
• You can garnish the cake with mini chocolate chips if you like. Because the icing is cream based, store the cake in the refrigerator.
  Garnish: (optional) mini chocolate chips

Notes

• The icing must chill for several hours before whipping, so starting it first makes sure it will be ready when the cake layers are assembled.
• Guinness stout deepens the chocolate flavor in the cake while keeping the crumb moist.
• If red currant jelly is difficult to find, grape jelly is the closest substitute.

 

 

If you’re making this Guinness Chocolate Layer Cake, check out the full post. That’s where I keep extra tips, FAQs, and details that don’t always make it into the recipe card

 

Nutrition info is an estimate and will vary depending on the brands you use.

 

©Noble Pig. All content and photos are copyright protected. Sharing the recipe link is always appreciated, but copying and pasting the full recipe anywhere else isn’t allowed.

Nutrition

Nutrition Facts

Guinness Chocolate Layer Cake

Amount Per Serving (170 g)

Calories 640 Calories from Fat 306

% Daily Value*

Fat 34g52%

Saturated Fat 20g125%

Polyunsaturated Fat 2g

Monounsaturated Fat 9g

Cholesterol 125mg42%

Sodium 320mg14%

Potassium 420mg12%

Carbohydrates 78g26%

Fiber 4g17%

Sugar 52g58%

Protein 9g18%

Vitamin A 620IU12%

Vitamin C 1mg1%

Calcium 85mg9%

Iron 4mg22%

* Percent Daily Values are based on a 2000 calorie diet.

Have you made this Guinness Chocolate Layer Cake? I’d love to hear how it turned out – leave a comment below and let me know.

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.