My blueberry dump cake is pie filling plus fresh berries and lemon, baked under a golden butter blanket until the inside is pure blueberry mayhem. It bakes into a golden, buttery lid over a hot, messy berry middle that doesn’t stick around long.

Blueberry Dump Cake That’s Part Shortcut, Part Fresh Upgrade
I’ve made enough dump cakes to know they can be sweet, syrupy, and kind of samey (I still love them anyway). I wanted to make sure this blueberry dump cake broke the mold without making me work harder. It still starts with blueberry pie filling, because that shortcut is worth keeping, but the fresh blueberries and a squeeze of lemon give it an unexpected texture you don’t usually get in this type of dessert.
The layers stay true to the “dump” part: pie filling and berries go in first, then a blanket of dry cake mix, then butter slices that melt and seep into every nook and cranny. That lemon keeps the sweetness in check, and the fresh berries give you reminders of real fruit flavor instead of just canned filling. It’s a small addition that changes the whole experience.
Once it bakes up, you’ve got a golden, buttery crust on top and a bubbling, juicy base underneath. It’s scoopable, spoonable, and ready for whatever you want to throw on top, whether that’s ice cream, whipped cream, or nothing at all. You get the no-effort ease of a classic dump cake with the flavor upgrade that makes it feel like you did more than open a couple of cans. It really is the best of both worlds.
Reasons This Blueberry Dump Cake Keeps Getting Made
- Not just a can job. Pie filling is the shortcut, fresh berries and lemon are the upgrade.
- Sweet without the coma. Fresh berries and citrus keep the sugar from taking over.
- That golden lid. Buttery and crisp on top, gooey blueberry chaos underneath.
- No effort badge. Ten minutes from pantry to oven and you look like you meant it.
- Any month, any time. Blueberries don’t care what season it is, they’re always available.

What You Need to Make This Blueberry Dessert with Cake Mix
Sometimes the best desserts happen when the pantry meets the produce drawer.
- Blueberry pie filling – The shortcut that gets you halfway there. I also use it in my blueberry pudding tart for another easy dessert.
- Fresh blueberries – The part that makes it taste like you did more.
- Lemon – Just enough juice to keep things lively.
- Yellow cake mix – Turns into a golden, buttery crust without lifting a finger.
- Butter – The melt that soaks into every bite.

How to Make Blueberry Dump Cake with Pie Filling and Fresh Berries
Find the complete printable recipe with measurements in the recipe card at the BOTTOM OF THE POST.
- Step One (heat the oven and prep the pan)
Set your oven to 350°F (175°C) and give a 9×13-inch (23×33-cm) baking dish a light coat of nonstick spray or butter so nothing sticks. - Step Two (layer the blueberries)
Spread the blueberry pie filling into the dish, then scatter the fresh blueberries right over the top. Squeeze half a lemon across the berries for extra flavor. - Step Three (add the cake mix)
Sprinkle the dry yellow cake mix evenly over the berries. No stirring here, just let it sit on top. - Step Four (top with butter)
Cut the butter into thin slices and lay them across the surface so most of the cake mix is covered. They’ll melt as it bakes and soak into the topping. - Step Five (bake)
Slide the dish into the oven and bake for 45 to 55 minutes, until the top is golden and the edges are bubbling. Let it sit for about 10 minutes before serving so it holds together a bit.

How to Make It Even Better
A few tricks that take this from “good dump cake” to “where’s my second serving.”
- Slice the butter thin. Covers more surface area so every bite soaks up that golden melt.
- Scatter the berries. A quick toss evens out the fresh ones so no slice feels left out. If you love the blueberry-lemon combo, my lemon blueberry cake mix cookies have the same flavors in cookie form.
- Don’t stir. The layers are what make it work, so let them bake into place.
- Watch the edges. They’re the first to turn golden, so pull it before they go too dark.
- Rest before scooping. Ten minutes keeps the hot berry middle from flooding the plate.
- Use cold butter. It slices easily and holds its shape while you arrange it, so it melts more evenly in the oven.

Stashing What’s Left (If Anything)
If you have leftovers, here’s how to keep them tasting like you just pulled the dish from the oven.
- Counter for a day. Covered loosely, it stays fine at room temp for about 24 hours.
- Fridge for longer. Seal it up and it’ll keep for 3 to 4 days without losing that buttery top.
- Microwave reheat. A quick zap brings the cake back to warm and the berries to juicy.
- Freezer friendly. Spoon portions into individual containers before freezing for up to 3 months. Thaw overnight in the fridge before reheating.

Blueberry Dump Cake Questions You Didn’t Know You Had
- Can I use frozen blueberries in a dump cake?
Yep. Toss them in straight from the freezer with the pie filling. Don’t thaw, don’t drain. Just give it a few extra minutes in the oven and let the magic happen. - Can I skip the lemon?
You could, but it’s the thing that keeps the sweetness in check and makes the blueberry flavor wake up. I wouldn’t. - Does the butter need to be cold?
Absolutely. Cold butter melts slow, seeps where it needs to, and gives you that even golden top. - Do you put eggs in a dump cake?
You do not, which is why it’s even easier to make. - Can I make this dump cake ahead?
Sure, but it’s at its best warm and bubbly. If you make it earlier, heat it back up so the top gets crisp again. - Can I use a different cake mix flavor?
Totally. White cake mix works if you want a lighter flavor, and lemon cake mix doubles down on the citrus. - What’s the best way to serve dump cake?
Scoop it warm with vanilla ice cream, or let it cool for a firmer slice. Either way, it’s still dessert perfection. - What else can I make with blueberries and lemon?
If you’re into this flavor combo, my lemon blueberry crumble bars are topped with a buttery oat streusel and have the same sweet-tart vibe. And my blueberry lemon cake uses fresh blueberries in the cake and glaze.

Because One Flavor of Dump Cake Is Never Enough
Once you’ve made the blueberry version, it’s hard not to see what else you can “dump” into the pan. Here are a few of my other favorites:
- Peach Dump Cake – canned peaches, yellow cake mix, cinnamon.
- Pumpkin Dump Cake – pumpkin purée, spice cake mix, brown sugar.
- Cherry Pineapple Cinnamon Crunch Dump Cake – yellow cake mix, crushed pineapple, cherry pie filling.
- Strawberry Dump Cake – strawberry pie filling, yellow cake mix.
- Apple Spice Dump Cake – apple pie filling, caramel bits, spice cake mix.
Golden Lid, Wild Middle
This is the kind of dessert that never pretends to be tidy. You break through that buttery crust and it gives way to a hot, messy flood of blueberry and lemon that tastes like it’s been waiting for you all day. Spoon it up plain or go for ice cream if you’re feeling reckless, but either way you’re going back for seconds before it even cools.
This post may contain affiliate links. Please read my disclosure policy.
Blueberry Dump Cake with Pie Filling and Fresh Berries
Equipment
- baking dish 9x13 (23x33 cm) Roomy enough for all the layers.
- Citrus Juicer Gets the most juice from the lemon.
- mixing bowls For combining ingredients.
Ingredients
- 2 (21 oz / 595 g) cans blueberry pie filling (my preferred brand)
- 1 pint (300 g) fresh blueberries
- ½ medium lemon juiced
- 1 box best yellow cake mix (this one was voted on the most nostalgic-spot-on flavor in a blind taste test)
- 3/4 cup (170 g) cold butter sliced into thin pats
Instructions
- Preheat the oven to 350°F (175°C). Lightly grease a 9×13-inch (23×33-cm) baking dish.
- Add the blueberry pie filling to the dish and spread evenly.2 (21 oz / 595 g) cans blueberry pie filling
- Scatter the fresh blueberries over the filling. Squeeze half the lemon over the berries.1 pint (300 g) fresh blueberries, ½ medium lemon
- Sprinkle the yellow cake mix evenly over the fruit; do not stir.1 box best yellow cake mix
- Slice the butter into thin pats and lay them over the surface to cover as much of the mix as possible.3/4 cup (170 g) cold butter
- Bake for 45 to 55 minutes, until the top is golden brown and the edges are bubbling.
- Let stand for 10 minutes before serving.
Notes
- Cold butter is easier to slice into thin pats and melts evenly across the cake mix.
- For a lemonier flavor, zest the half lemon before juicing and sprinkle it over the berries.
- Swap in white or lemon cake mix for a different flavor profile.
- Frozen blueberries work in place of fresh; add them straight from the freezer without thawing.
- Try this fancier blueberry pie filling if you want one without HFCS.
Nutrition
Have you made this Blueberry Dump Cake with Pie Filling and Fresh Berries? 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.


susan stephenson says
Hi,
Looks like a great, easy recioe.
Can this be made in a crockpot?
Cathy Pollak says
It can be made in a slow cooker. Layer it the same way and cook on high for about 2 hours or low for 4. The slow cooker won’t brown the top the way the oven does, so you’ll miss that buttery crust, but it will still be delicious and scoopable, more soft and cobbler-like than crisp.
Judy says
I’m dairy intolerant what can I use instead of butter. Thank you Judy
Cathy Pollak says
Hi Judy, you can swap the butter for a dairy-free alternative like Earth Balance or Miyoko’s. Coconut oil also works, but use it solid so you can slice and spread it over the top the same way you would butter. It’ll still bake up golden and bubbly.
Jana says
Loved this dump cake, especially the contrast of the fresh blueberries and the pie filling. That was really perfect. Served it with your blueberry sour cream ice cream too. Love your recipes.
Maggie May says
The blueberry dump cake came out delicious but I almost burned it. Luckily I happened to check it after about 30 minutes and it was already dark brown. I thought it was ruined but it tasted fine. My oven does run a little hot so that’s why I checked on it.