Peach Cobbler Cake Crisp is the dessert I make when I want something that eats like a cobbler but has that easy cake-mix topping I can always count on. The peaches get juicy and jammy, and the top bakes up buttery and crisp in the best way.
My favorite part is the texture: you get soft peaches underneath and a clumpy oat topping that’s somewhere between a crumble and a cake layer. The cinnamon and vanilla keep it tasting like a classic peach dessert instead of just “sweet.”
I like serving this warm for a weekend dessert, especially when I’m feeding a group and want something simple that still feels special. A scoop of vanilla ice cream or a big spoon of whipped cream is all it needs.
Why You’ll Love This Recipe
Low effort dessert: Cake mix and oats do most of the work, and it still comes out like a real baked dessert.
That crisp top: The melted butter makes the topping bake into golden, crunchy little crumbles instead of a dry layer.
Big peach flavor: The filling is sweet, cinnamon-y, and a little bright from lemon, so it doesn’t taste flat.
Great for a 9×13: It’s a natural fit for potlucks, holidays, and any time you need 10 solid servings.
Easy to tweak: Fresh, frozen, or canned peaches all work, and you can add nuts or extra spice based on what you like.
Ingredients You’ll Need
Peach Filling
- Peaches: Fresh sliced peaches are great, but thawed frozen peaches work really well too. I just make sure they’re fully thawed so the filling thickens like it should.
- Granulated sugar: This sweetens the peaches and helps pull out their juices so you get that syrupy filling.
- Cornstarch: Don’t skip it—this is what turns the peach juices into a thick, spoonable filling instead of a runny puddle.
- Lemon juice: A little lemon keeps the filling tasting bright and “peachy.” Bottled is fine if that’s what you have.
- Vanilla extract: I like vanilla here because it makes the filling taste more like a cobbler than plain fruit.
- Ground cinnamon: Cinnamon with peaches just makes sense. It also ties the filling and topping together.
- Kosher salt: A small amount helps the peach flavor pop and keeps the sweetness in check.
Cake Crisp Topping
- Yellow cake mix: This is the shortcut that makes the topping easy and reliable. Any standard boxed yellow cake mix works.
- Old fashioned oats: Use rolled oats, not quick oats. Rolled oats keep the topping chunky and crisp instead of turning soft.
- Light brown sugar: This adds a little caramel flavor and helps the topping brown nicely.
- Unsalted butter: Melted butter is what makes the topping clump up. If you only have salted butter, just go a little lighter on added salt elsewhere.
- Ground cinnamon: A bit more cinnamon in the topping makes it smell and taste like a classic cobbler topping.
Optional For Serving
- Vanilla ice cream: This is my go-to, especially if you’re serving it warm.
- Whipped cream: Great if you want something lighter than ice cream, or if you’re serving it at room temp.
Recipe Instructions
- Preheat the oven: Heat the oven to 350°F. Grease a 9×13-inch baking dish with butter or nonstick spray.
- Mix the filling: In a large bowl, mix the peaches, granulated sugar, cornstarch, lemon juice, vanilla extract, cinnamon, and salt until the peaches are well coated.
- Add the filling to the pan: Spread the peach mixture evenly in the greased baking dish.
- Mix the topping: In a separate bowl, mix the yellow cake mix, oats, brown sugar, and cinnamon.
- Add the butter: Drizzle in the melted butter and stir until the mixture looks clumpy and evenly moistened.
- Top the peaches: Sprinkle the topping evenly over the peaches, then lightly press it down so it sticks, but don’t pack it tight.
- Bake: Bake for about 40 to 50 minutes, until the top is deep golden and the filling is bubbling at the edges.
- Cool and serve: Cool for 15 minutes so the filling can thicken, then serve warm with vanilla ice cream or whipped cream if you like.
Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Use peaches that taste good. If your peaches are bland, the whole dessert will taste bland. I’d rather use ripe fresh peaches or good frozen peaches than out-of-season fresh ones.
If your peaches are extra juicy, add more cornstarch. Some peaches throw off a lot of liquid, especially frozen peaches. Bumping the cornstarch up helps the filling set instead of staying soupy.
Don’t compact the topping. Lightly pressing it on is enough. If you pack it down, it can bake up more like a solid layer instead of crisp crumbles.
Let it cool before slicing. It will look a little loose right when it comes out, and that’s normal. Give it 15 minutes and it thickens up a lot.
Add nuts if you want more crunch. Chopped pecans are really good here, especially if you like a crispier top.
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Vanilla ice cream: Serve it warm with a scoop on top. The cold ice cream and warm crisp is the whole point for me.
- Whipped cream: A big spoonful works well if you want something lighter. I like it with a pinch of cinnamon on top.
- Caramel sauce: A small drizzle is nice if you want it a little richer. It’s especially good if your peaches are more tart.
- Fresh berries: A handful of raspberries or sliced strawberries on the plate is a nice extra. It makes the dessert feel a little less heavy.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store leftovers covered in the fridge for up to 4 days. The topping will soften a bit in the fridge, but the flavor stays great.
Reheat individual portions in the microwave for a quick dessert, or warm the whole pan in the oven until heated through. If you want the top crispier again, the oven works better.
You can also make this recipe ahead by mixing the filling and keeping it covered in the fridge, then mixing the topping right before baking. I don’t love letting the topping sit on the peaches overnight because it can get soggy.
If you want them to last longer, freeze individual portions in airtight containers. Thaw in the fridge overnight and rewarm before serving.
A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I use canned peaches?
Yes. Use about 2 cans (29 oz total) drained, and reduce the granulated sugar since canned peaches are already sweet. I usually start with 1/2 cup sugar and adjust from there.
Can I use frozen peaches?
Frozen peaches work well here. Thaw them first so you can mix everything evenly, and expect you may need a little extra cornstarch if they’re very juicy.
How do I know it’s done baking?
The topping should be deep golden, and you should see the filling bubbling around the edges. If the top is browning but the filling isn’t bubbling yet, give it a few more minutes.
Can I add nuts to the topping?
Definitely. Chopped pecans are really good, and they make the topping crunchier. Stir them into the topping mixture before you sprinkle it over the peaches.
What other spices work with peaches?
A little nutmeg or ginger is nice if you want a warmer spice flavor. I’d add about 1/2 teaspoon so it doesn’t take over.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.
MORE DINNER RECIPES TO TRY
Peach Cobbler Cake Crisp
INGREDIENTS
Peach Filling
- 6 cups sliced peaches fresh or thawed frozen
- 1 cup granulated sugar
- 2 tbsp cornstarch
- 1 tbsp lemon juice
- 1 tsp vanilla extract
- 1 tsp ground cinnamon
- ½ tsp kosher salt.
Cake Crisp Topping
- 1 box yellow cake mix 15.25 oz
- 1 cup old fashioned oats
- ¾ cup packed light brown sugar
- ½ cup unsalted butter melted
- ½ tsp ground cinnamon.
Optional For Serving
- vanilla ice cream
- whipped cream.
INSTRUCTIONS
Prep
- heat oven to 350 F
- grease a 9x13 inch baking dish with butter or nonstick spray.
Assemble
- in a large bowl mix peaches
- granulated sugar
- cornstarch
- lemon juice
- vanilla
- cinnamon
- and salt then spread evenly in the baking dish
- in a separate bowl mix cake mix
- oats
- brown sugar
- and cinnamon then drizzle in melted butter and stir until clumpy
- sprinkle topping evenly over peaches and lightly press to adhere without compacting.
Bake And Serve
- bake until the top is deep golden and the filling is bubbling at the edges about 40 to 50 minutes
- cool 15 minutes to thicken then serve warm with ice cream or whipped cream if desired.
