Name: Crockpot Peach Dump Cake
Prep time: 10 min
Cook time: 120 min
Total time: 130 min
Ingredients: 29 ounces sliced peaches in heavy syrup (not drained (822g)); 15.25 ounces sliced peaches in heavy syrup (drained (432g)); 15.25 ounces dry yellow cake mix (432g); 16 tablespoons salted butter (melted and cooled (2 sticks, or 1 cup)); ⅛ teaspoon ground nutmeg (optional)

A serving of Crockpot Peach Dump Cake topped with a scoop of melting vanilla ice cream on a white plate, surrounded by fresh peaches and canned peach slices. The buttery cake topping and juicy peaches highlight this easy slow cooker dessert.

This crockpot peach dump cake comes together with one bowl and a slow cooker. Canned peaches go on the bottom, buttered cake mix goes on top, and two hours later you've got a warm dessert with a crumbly, golden top and a thick, bubbling fruit layer underneath. Perfect potluck dessert without turning on the oven.

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Table of Contents

Why Readers Love This Peach Dump Cake
Ingredients For CrockPot Peach Dump Cake
Substitutions and Variations
Recipe Notes
How to Make CrockPot Peach Dump Cake
How to Tell When A Crockpot Dump Cake Is Done
Troublesooting
Slow Cooker Size and Scaling
How To Serve Peach Dump Cake
Storage FAQ
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In This Post

There's a reason dump cake keeps showing up at potlucks: ten minutes of work, three main ingredients, and the oven stays free for everything else. This crockpot peach dump cake is the easiest one I make - canned peaches on the bottom, buttered yellow cake mix on top, lid on, two hours later you're scooping it warm.

One thing to know going in: this finishes like a cobbler, not a layer cake. The topping turns golden and crumbly, the fruit underneath turns thick and gooey, and you serve it with a spoon.

The version that fails is the watery one. I have made this one enough to know that it won't go soupy. I've figured out the secret - you drain one can of peaches and keep the syrup from the other. That ratio is the whole success of this recipe.

Warm Crockpot Peach Dump Cake topped with a generous scoop of vanilla ice cream on a white plate, with tender peaches, buttery cake topping, and a slow cooker in the background.

Why Readers Love This Peach Dump Cake

It costs about $10. Two cans of peaches, a box of cake mix, and butter - feeding six people a homemade dessert only costs about the same as a pint of good ice cream.

It travels really well. The Crock Pot goes straight to the potluck table and holds on the WARM setting for a couple of hours without drying out or collapsing. That's why this dish gets requested for Thanksgiving and church suppers.

You can't really mess up the assembly. There's no creaming, no mixer, and no batter to overwork. It's one bowl and a spoon, which means it's the perfect dessert to hand a teenager who wants to help.

It takes a swap well. I usually make this recipe with a yellow cake mix, but spice cake mix is a swap my readers have raved about most. It's a genuinely different dessert for the same effort.

It works gluten-free. A one-for-one gluten-free yellow cake mix behaves the same in this recipe, so nobody at the table has to have a separate dessert.

Ingredients For CrockPot Peach Dump Cake

Crockpot Peach Dump Cake ingredients on a marble counter with text labels: ⅛ tsp nutmeg, 29 oz canned peaches, 2 x 8 tbsp butter, 15.25 oz canned peaches, and 15.25 oz cake mix.

What you'll need to make slow cooker peach dump cake:

Sliced peaches in heavy syrup, 29 oz can, NOT drained. Grab the big can. Its syrup is the entire liquid budget for the recipe. Freestone peaches have a fuller flavor than yellow cling if your store carries both.
Sliced peaches in heavy syrup, 15.25 oz - drained. The second smaller can is here for fruit, not liquid. Pour it into a colander and give it two or three minutes to actually finish draining.
Yellow cake mix, 15.25 oz box - dry, straight from the box. Do not prepare it according to the package directions.
Salted butter, 16 tablespoons - melted, then cooled slightly. That's two sticks, or one cup.
Ground nutmeg, ⅛ teaspoon - optional. A small amount does a lot against canned peaches.

Substitutions and Variations

✅ Spice cake mix - Spice cake mix in place of yellow turns this into something closer to a peach cobbler with warm spice through the topping. Use the same weight box and leave out the nutmeg, since the mix already contains it.

Butter pecan cake mix is the other one worth trying. White cake mix also works, but it tastes close enough to yellow that it is not worth a special trip.

✅ Gluten-free - A one-to-one gluten-free yellow mix works without changes. It browns slightly less at the edges, so use the bubbling fruit as your doneness signal rather than the color.

❌ Fresh or frozen peaches - Canned peaches are what this recipe is built around, and they're what give the consistent result. Fresh and frozen peaches don't come with the syrup that makes the liquid ratio work, so the texture is harder to predict. I recommend using canned peaches for this recipe.

Additions
A half cup of chopped pecans or walnuts scattered over the fruit before the topping goes on adds texture. Raisins work the same way.

Recipe Notes

Why One Can Of Peaches Gets Drained (and one does not)

Your slow cooker is a sealed vessel. Nothing evaporates out of it. Steam hits the underside of the lid, beads up, and drips right back down. So the syrup you start with is the syrup you finish with, plus whatever the peaches give off as they heat.

One can's worth is about what a box of cake mix can absorb and still set into a topping. If you add the second can's syrup, it can't keep up, so the mix will stay wet instead of going crumbly and golden.

Which Cake Mix to Buy

Any brand works, but I usually buy Pillsbury. What matters more than the brand is the weight on the box, because mixes have quietly shrunk over the years and they're no longer all the same size.

Check the weight before buying it. If your box is lighter than 15.25 oz, scale the butter down to match.

A 13.25 oz box needs about 14 tablespoons of butter instead of 16. If you add too much butter, the mixture will be greasy.

Yellow is the default and white works identically. Other flavors change the dessert meaningfully, and there's a section below on which ones I think are good to try.

Melt the Butter, Then Let It Cool

Let the butter cool for a few minutes after melting. Pouring it in screaming hot makes the mix clump into pebbles rather than crumbs.

How to Make CrockPot Peach Dump Cake

FIRST STEP: Lightly spray a 5–6 quart slow cooker with nonstick cooking spray.

SECOND STEP: Pour in the 29-ounce can of peaches with its syrup, then add the drained 15.25 ounce can. Spread the fruit into an even layer.

THIRD STEP: In a medium bowl, stir together the dry cake mix, melted butter, and nutmeg until the mixture looks like coarse damp crumbs, and no dry powder remains.

Overhead view of the buttery yellow cake mixture combined with melted butter and ground nutmeg in a large glass mixing bowl for Crockpot Peach Dump Cake.

FOURTH STEP: Sprinkle the buttered cake mix evenly over the peaches, out to the edges. Do not stir it into the fruit or press it down too hard.

Overhead view of Crockpot Peach Dump Cake before cooking, with the peaches completely covered by an even layer of dry yellow cake mix inside a black slow cooker.

FIFTH STEP: Cover and cook on HIGH for 2 hours. Resist the urge to peek inside! Leave the lid in place while it cooks.

How to Tell When A Crockpot Dump Cake Is Done

After 2 hours on HIGH, the dessert should be ready. Three things to look for:

Browning at the rim. The cake mix touching the hot sides of the slow cooker turns golden first. That ring of color is the clearest signal.
Bubbling fruit. Syrup should be visibly bubbling up around the outside edge, not sitting still.
A crumbly top, not a smooth one. This does not bake into a solid cake layer. The finished topping is uneven and crumbly in places, and some spots stay softer than others.

If the edges haven't colored and nothing is bubbling, cover and cook another 15 minutes, then check again. Repeat as needed. Slow cookers vary enough that some run 20 or 30 minutes behind others on the same setting.

Let it sit for 10 minutes off the heat before serving. The fruit layer thickens as it cools.

Overhead view of fully cooked Crockpot Peach Dump Cake with a golden buttery cake topping and bubbling peach filling inside a black slow cooker.

Troublesooting

If your dessert isn't coming out quite the way you expected, you may be able to save it. Here are some common issues and things you can try.

It looks watery

It's likely that too much syrup went in. But whatever the reason, try this: Take the lid off and cook on HIGH for another 20 to 30 minutes. The steam will escape instead of dripping back onto the topping, and the fruit layer will tighten up more. Keep an eye on the edges so they don't burn.

The top will not brown

Condensation is falling back down and keeping the topping wet. Lay a few sheets of paper towel or a clean tea towel across the top of the pot, then set the lid on top of it. The towel catches the steam before it drips. Thirty minutes is usually enough.

The center is still loose

Most likely, either the lid was lifted during cooking, which drops the temperature, or the Crockpot needed longer than 2 hours. Cover and cook another 15 to 30 minutes. If the middle is still soft after that, finish it uncovered for 20 minutes.

The center is always the last part to set, and it firms up further during the 10 minutes it rests off the heat.

Slow Cooker Size and Scaling

This recipe is written for a 5 to 6 quart slow cooker. If yours is a different size, here's how to think about it.

If your slow cooker is smaller (2.5 to 3 quarts): It's too small for the full recipe. Use about half of everything. I've never made an exact half batch, so treat it as a starting point and adjust from there if you need to.

If you have a 3.5 quart casserole slow cooker: The full recipe fits just fine, and should brown just fine, since more of the topping touches the hot sides.

If you have a 6 quart: You're set. That's what this recipe was built for.

If you want to double it: You'll need a bigger Crockpot, at least 7 quarts, so everything has room to actually cook through. Give it extra time too, since there's more in there to heat up. I've never doubled it, so you'll be doing a bit of experimentation. but I think if you keep a close eye on it, it should cook fine. Don't be afraid to let it cook longer than the recipe says.

Close-up of Crockpot Peach Dump Cake showing warm peach filling and syrupy sauce under a golden cake mix topping on a spoon.

How To Serve Peach Dump Cake

Serve scoops warm, straight from the pot. That's all this really needs. But here are a few ways to dress it up.

With ice cream. A scoop of vanilla is the classic choice. It melts into the warm fruit and turns into its own little sauce. To double down on the peach flavor, try this easy homemade peach ice cream.

With whipped cream. Homemade or Cool Whip both work. If you want something a little different, chocolate whipped cream is really good with peaches too.

With a caramel drizzle. Warm caramel sauce over the top turns this into something you'd serve for a special occasion instead of a weeknight dessert.

For breakfast. Leftovers are good the next morning with a spoonful of Greek yogurt on top. It's basically a fruit crumble at that point.

For a crowd or potluck. Set the whole pot out with a stack of bowls and let people serve themselves. It holds well on the warm setting if you're bringing it somewhere.

More Peach Dessert Recipes ⭐ Mini Peach Cheesecake | Peach Bars | Peach Fluff | Peach Pretzel Salad

Storage FAQ

In the fridge. Let it cool, then store it in an airtight container. It'll keep for 3 to 5 days.

In the freezer. Let it cool all the way first. Scoop it into a freezer safe container or wrap it well, and it'll keep for up to 3 months. Thaw it in the fridge overnight before you reheat it, but keep in mind, the texture may change somewhat.

To reheat. The microwave is the easiest way. Give a single serving about 30 seconds to a minute, just until it's warm. If you're reheating a bigger portion, put it in a 350°F oven, cover it with foil so it doesn't dry out, and give it 15 to 20 minutes.

It won't have quite the same crisp top the second time around, but it's still good, especially with a fresh scoop of ice cream on it.