Crockpot apple crisp keeps the oven free while tender apples cook underneath a crisp oat topping. A simple trick prevents condensation from softening the topping, so it stays crisp instead of turning soggy.

Crockpot Apple Crisp with a Crisp Oat Topping
I loved the idea of apple crisp in a crockpot, but the first time I tried it, I was immediately turned off by the condensation collecting under the lid and dripping back onto the oat topping, leaving it soggy. I wasn’t making it in the slow cooker because it was easier. I wanted my oven free for everything else I was cooking.
The fix turned out to be much less dramatic than the problem. I stretched a couple of thick paper towels across the top of the crockpot before putting the lid on, and they caught the condensation before it could rain back down onto the crisp. The topping stayed crisp, the apples stayed in slices instead of becoming applesauce, and I stopped wondering why anyone bothered making apple crisp in a slow cooker in the first place.
That’s really why I keep making it this way. The oven is already occupied, I don’t feel like heating up the kitchen any more than necessary, or I want dessert taking care of itself while I do something else. Apple crisp has never seemed offended by this arrangement.
Apple crisp has never felt like a holiday dessert to me anyway. I think it’s more of a Sunday afternoon treat I make because my apple trees are overloaded or cinnamon sounds like the flavor of the moment. A scoop of vanilla ice cream isn’t mandatory, but I’ve never managed to convince myself of that.

What Makes This Recipe Different
- I found pretty quickly that stretching a couple of absorbent paper towels across the crockpot before putting the lid on catches that moisture before it can drip down into the topping. It’s a tiny change, but it completely changes the outcome.
- I wasn’t trying to prove the crockpot was somehow better than the oven. I wanted my oven available for everything else I happened to be cooking that day. The crockpot handles the apple crisp while everything else gets the attention it needs.
- The apples are as important as the topping. I wanted them tender enough to cut with a spoon, but still recognizable as slices of apple instead of falling apart into slow cooker applesauce. Granny Smith apples hold up the best during the long cooking time, which is why I keep using them.
- That’s really this recipe in a nutshell. I wasn’t trying to replace classic baked apple crisp. This is the one I make when I need the oven free without giving up the crisp topping and tender apples I wanted in the first place.

Ingredients
- Granny Smith apples – I like Granny Smiths because they reliably stay together during the long cooking time. You end up with tender slices instead of apples that fall apart into the filling.
- Granulated sugar – Enough to sweeten the apples without covering up their natural tartness.
- All-purpose flour – Some goes into the filling to thicken the juices as the apples cook, and more goes into the topping to create the buttery crumbles.
- Ground cinnamon – One teaspoon is enough to add flavor without dominating.
- Fresh lemon juice – Keeps the filling tasting fresh after a few hours in the slow cooker.
- Vanilla extract – Apple crisp never seems complete without it.
- Old-fashioned oats – These keep their texture while they cook. Quick oats soften too much and don’t give you the same crisp, crumbly topping.
- Light brown sugar – Gives the topping its caramel flavor and helps it brown into the crunchy bits everyone goes after first.
- Cold unsalted butter – Cold butter creates the crumbly topping by melting gradually instead of all at once.
- Kosher salt – Desserts need salt too.
- Vanilla ice cream – Not technically required, but warm apple crisp and cold vanilla ice cream have never found a reason to stop spending time together.



FAQs
- Can I use Honeycrisp apples instead of Granny Smith?
Yes. Honeycrisp apples are fine, although they make a sweeter filling. If your apples are sweet, you can cut back the sugar if you’d like. - Why is my topping still soft?
The most common reason is trapped moisture. Make sure the paper towels completely cover the crockpot without sagging onto the topping, and don’t skip the final hour of cooking uncovered. - Can I cook this overnight?
I don’t recommend it. The apples cook relatively quickly, and leaving them for several extra hours will soften them much more than this recipe intends. - Can I double the recipe?
Only if your slow cooker is large enough to handle it. A very full crockpot takes longer to cook, and the topping will not crisp as well because there’s even more moisture trapped inside. - Can I use canned apple pie filling?
This recipe is written for fresh apples, so I don’t recommend using canned pie filling. If you want to use canned filling instead, I have an oven-baked apple crisp with apple pie filling recipe. - Can I make this ahead of time?
Yes. You can prepare the apple filling and topping separately a day ahead and refrigerate them. Let it come to room temperature before adding it to the crockpot. Assemble everything in the crockpot when you’re ready to cook so the topping stays as crumbly as possible.

From My Kitchen Notes
Small observations from the margins.
- The smallest adjustments are the ones nobody notices until they stop making them.
- Steam has terrible judgment.
- The kitchen has convinced me more than once that solving the wrong problem leaves you with the wrong result.
- Not everything that looks finished is ready to serve.
- The right kind of cover protects things, while the wrong kind undoes them.
- You can spend hours fixing the wrong thing when the real problem has been dripping on you from above the whole time.
- The smallest change in the room can completely change the ending.
- The longer something cooks doesn’t necessarily make it better.
- It takes surprisingly little to keep something from slowly falling apart.
- Some things spend years protecting the wrong part of themselves.
- I’m suspicious of anything that promises to improve without changing.
- Not every compromise looks like one at first.
- Eventually you have to decide whether you’re preserving something or slowly steaming it.
- It’s easy to think nothing is changing because nothing is being said.
- You can keep the lid on forever and still lose what was important.

More Apple Desserts Worth Saving Room For
- Cream Cheese Apple Crisp – Cream cheese beneath buttery crumble.
- Butterscotch Apple Crisp – Butterscotch and cinnamon together.
- Upside-Down Apple Pie – Pecans and flipped pie.
- Amish Apple Fritter Bread – Cinnamon swirl, sweet glaze.
- Brown Sugar Apple Cinnamon Bundt Cake – Brown sugar swirl, fresh apples.
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Crockpot Apple Crisp (Slow Cooker Apple Crisp)
Equipment
- measuring cups and spoons Keeps the filling and topping properly balanced.
- mixing bowls (large nad medium). One for the apple filling and another for the crisp topping.
- Knife To peel, core, and slice the apples into even pieces.
- Crockpot (6-quart / about 5.7 liters) – Gives the apples enough room to cook evenly without bubbling over.
- wooden spoon For stirring the apple mixture and serving at the end.
- pastry blender or fork. Works the cold butter into the topping until it's crumbly.
- thick, absorbent paper towels To catch condensation under the lid so it doesn't drip back onto the topping and make it soggy.
Ingredients
Filling:
- 5 medium (~ 900 g) Granny Smith apples cored, peeled and sliced
- ½ cup (100 g) granulated sugar
- 2 tbsps (16 g) all-purpose flour
- 1 tsp (3 g) ground cinnamon
- 1 tsp (5 ml) fresh lemon juice
- 1 tsp (5 ml) vanilla extract
Topping:
- ½ cup (50 g) old-fashioned oats
- ½ cup (65 g) all-purpose flour
- ¾ cup (150 g) packed light brown sugar
- ½ cup (113 g) cold unsalted butter cut into 8 slices
- 1 tsp ( 3 g) ground cinnamon
- ¼ tsp (1 g) kosher salt
Garnish:
Instructions
- Spray the bottom of the crockpot with cooking spray or brush it with melted butter so the apples release easily after several hours of cooking.cooking spray
- In a medium bowl, toss the apples with the granulated sugar, flour, cinnamon, lemon juice, and vanilla until every slice is coated. The flour thickens the juices as the apples cook, keeping the filling syrupy instead of watery. Transfer the apples to the crockpot.5 medium (~ 900 g) Granny Smith apples, ½ cup (100 g) granulated sugar, 2 tbsps (16 g) all-purpose flour, 1 tsp (3 g) ground cinnamon, 1 tsp (5 ml) fresh lemon juice, 1 tsp (5 ml) vanilla extract
- In another bowl, combine the oats, flour, brown sugar, cinnamon, and kosher salt. Work the cold butter into the mixture with a fork or your hands until crumbly, leaving a few larger butter pieces behind. They'll melt gradually as the crisp cooks and help create a better topping.½ cup (50 g) old-fashioned oats, ½ cup (65 g) all-purpose flour, ¾ cup (150 g) packed light brown sugar , ½ cup (113 g) cold unsalted butter, 1 tsp ( 3 g) ground cinnamon, ¼ tsp (1 g) kosher salt
- Sprinkle the topping evenly over the apples.
- Lay a generous sheet of paper towels across the crockpot (2 full-size sheets or 3 connected half-sheets), making sure they cover the opening without sagging onto the topping. Place the lid over the towels and cook on HIGH for 1½ hours or LOW for 2½ to 3 hours. The paper towels catch the condensation before it drips back onto the topping, keeping it from turning soggy.
- Remove the lid and carefully discard the paper towels. The apples should be bubbling around the edges. Continue cooking uncovered for 1 hour so the topping can finish crisping.
- Turn off the heat or switch the crockpot to the warm setting and let the apple crisp rest for about 20 minutes before serving. The filling thickens as it cools, making it much easier to scoop. Serve on its own or with vanilla ice cream.vanilla ice cream
Notes
- Firm pears can replace part of the apples if you'd like to mix the fruit. Avoid soft or overripe pears because they'll break down too much during cooking.
- This recipe was tested in a 6-quart (5.7 L) crockpot. Smaller slow cookers may bubble closer to the lid, so keep an eye on them during cooking.
- The paper towels should stay above the topping without touching it. Thick paper towels, such as Bounty, absorb condensation much better than thinner towels or half-sheets.
- Canned apple pie filling works for a shortcut. Since it's already sweetened and thickened, reduce the sugar in the filling before adding it to the crockpot.
Nutrition
Have you made this Crockpot Apple Crisp? I’d love to hear how it turned out — leave a comment below and let me know.
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Cody says
This was fantastic! The Granny Smith apples were perfectly tart, and I added a lot more cinnamon because its my favorite! I loved how easy it was to prepare in the crockpot. A definite keeper!
Cathy Pollak says
So glad you loved it.
Cathy Pollak says
Glad you enjoyed the ease of the recipe.
Kristen says
This was the best apple crisp I have ever made and it was so easy to make.
Cathy Pollak says
So glad!
Natasha says
This Crockpot Apple Crisp is an awesome recipe! I topped it with ice cream and they were a perfect match! This recipe is a winner!
Cathy Pollak says
Thank you!
nikki says
What size crockpot did you use? 6 quart?
Cathy Pollak says
Yes.
Becky says
This looks good! I just purchased a 1/2 peck of apples from a local orchard that do not have a lot of flavor. This will be a great way to use them with the added flavors from the cinnamon and brown sugar. I realize it won’t have the flavor of a crisp made with Granby Smith apples but at least my apples won’t go to waste.
Cathy Pollak says
Sounds good.
Lena says
Really enjoyed how easy this was, very good apple crisp and now I don’t want to make it in the oven…ever.
Tommy says
It turned out great. Loved the paper towel trick, that was a game changer. Served with ice cream too.
Kelly says
Ah this worked out so well for my tailgate party because yeah I needed the oven! I love having something people can help themselves too.
Maddie says
This came out wonderful. The paper towel things helps so much because I tried before without and yeah, not so great.
Kayla says
Paper towel worked great. Has this on the counter for the football games and it disapperared.
Betsy says
Really loved eating and making this.
Shauna says
This has become my favorite way to make apple crisp. I can start it early and then make the meal. So good.
Esther says
I was so in the mood for apple something and I found this recipe and I am delighted by it. The paper towel worked great, I used Bountry because it’s thick. So nice.
Billie says
This was incredible! I made for a game night and it was self serve and the paper towel really worked. Thanks.