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Oreo Dump Cake

This Oreo dump cake is one of the easiest, most decadent desserts I’ve ever had!

Imagine layers of rich, chocolatey Oreo goodness combined with a fluffy, moist cake. It practically melts in your mouth!

The best part? It’s so easy to make, even a kid could throw it together.

Fork with a slice of Oreo dump cake in a white plate.
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It’s the perfect treat for any occasion.

I like to serve it with a scoop of vanilla ice cream and a drizzle of chocolate syrup. It’s the ultimate indulgence! 

Why You’ll Love This Oreo Dump Cake

There are so many reasons to love this tempting cake:

  • Easy as Pie: This no-mix dump cake requires minimal effort. Just layer the ingredients in a pan and bake!
  • Decadent and Delicious: The combination of Oreo cookies, sweetened condensed milk, whipped topping, and gooey chocolate cake is irresistible.
  • True Crowd-Pleaser: It’s a guaranteed hit with both kids and adults. It’s ideal for potlucks, parties, or family gatherings.
  • Minimal Cleanup: All the ingredients are dumped and baked in one pan without mixing. That means fewer dishes!
Top view of an Oreo dump cake in a white baking dish.

Ingredients

You only need five ingredients to make this incredible treat:

  • Oreo Cookies: The star of the show! They add rich chocolate flavor and crunchy texture.
  • Sweetened Condensed Milk: This thick, syrupy milk adds luscious creaminess and sweetness.
  • Whipped Topping: It gives a light, creamy layer to balance out the rich flavors.
  • Chocolate Fudge Cake Mix: A box of store-bought cake mix is the easy secret to the gooey chocolate top layer. 
  • Salted Butter: Sliced butter dotted on top melts into the cake mix. It’s the perfect finishing touch.
Oreo cookies soaked in condensed milk.
Chocolate cake mix poured on top of whipped cream.

How to Make Oreo Dump Cake

Follow these steps to make this easy-peasy cake:

  1. Prep the oven and pan. Preheat the oven to 350°F. Grease a 9×13-inch baking pan with non-stick cooking spray.
  2. Layer the Oreo cookies. Arrange 18-20 Oreo cookies in a single layer on the bottom of the prepared pan. Cover as much surface area as possible.
  3. Pour the condensed milk. Pour the sweetened condensed milk evenly over the layer of Oreo cookies.
  4. Spread the whipped topping. Spread the whipped topping over the sweetened condensed milk in an even layer.
  5. Add the cake mix. Sprinkle the dry chocolate fudge cake mix evenly over the whipped topping layer.
  6. Top with butter. Arrange the butter slices in a single layer on top of the cake mix. Cover as much surface area as possible.
  7. Sprinkle the chopped Oreos. Roughly chop the remaining 4-6 Oreo cookies. Sprinkle them on top of the butter layer.
  8. Bake the cake. Bake in the preheated oven for 35-40 minutes. The top should be set, and the butter should absorb into the cake mix.
  9. Serve warm. Remove from the oven and let cool for 5-10 minutes. Serve warm, scooping out portions with a large spoon. If desired, top individual servings with a scoop of vanilla ice cream and a drizzle of chocolate syrup.
Sliced Oreo dump cake in a white baking dish.

Tips For the Best Oreo Dump Cake

This cake is impossible to mess up. But these tips take it over the top! 

  • Use parchment paper. If you don’t think you’ll eat all this in one, line the dish with parchment so it’s easy to scoop when cool.
  • Bust up any lumps. Use a fork to break up any large lumps in the cake mix for an even distribution and better texture.
  • Be even with the butter. Place the butter slices evenly across the top of the cake mix. This ensures the top layer bakes into a gooey, brownie-like consistency.
  • Bake until bubbly. You’ll know the cake is done when the top is golden brown and the edges are bubbly.
  • Get tasty with toppings. Top individual servings with a scoop of vanilla ice cream and a drizzle of chocolate syrup. Or, try caramel syrup for extra flavor.
  • Have fun and experiment. Try different flavors of Oreo cookies or cake mix to customize the recipe and create new variations.
Slice of Oreo dump cake in a white plate on a white marble table.

How to Store

If you have leftover dump cake, here’s how to keep it fresh:

To Store: Keep leftover cake covered in the refrigerator for up to 3 days. Ensure the cake is completely cooled before covering and storing.

To Freeze: Tightly wrap the cooled cake in plastic wrap, followed by a layer of aluminum foil. Store it in the freezer for up to 2 months. When ready to serve, thaw the cake overnight in the refrigerator.

Keep in mind freezing and thawing may affect the texture of the whipped topping and Oreo cookies.

To Reheat: Reheat individual portions of the cake in the microwave for 20-30 seconds, or until warmed through. You can also reheat larger portions in a preheated oven at 350°F for 10-15 minutes.

More Dump Cake Recipes You’ll Love

Chocolate Dump Cake
Sweet Potato Dump Cake
Strawberry Dump Cake
Blueberry Dump Cake

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Oreo Dump Cake

Course: DessertCuisine: American
Servings

8

servings
Prep time

10

minutes
Cooking time

40

minutes
Calories

759

kcal

This Oreo dump cake is the easiest treat you’ll ever make! Made with just 5 ingredients, you can have it ready in no time flat.

Ingredients

  • 24 Oreo cookies, divided

  • 1 (14 ounce) can sweetened condensed milk

  • 1 (8 ounce) tub whipped topping (Cool Whip), thawed

  • 1 (15.25 ounce) box chocolate fudge cake mix

  • 1 1/2 sticks (12 tbsp) salted butter, sliced

Instructions

  • Preheat the oven to 350°F. Grease a 9×13-inch baking pan with non-stick cooking spray. If desired, line the pan with parchment.
  • Arrange 18-20 Oreo cookies in a single layer on the bottom of the prepared pan, covering as much surface area as possible.
  • Pour the sweetened condensed milk evenly over the layer of Oreo cookies.
  • Spread the thawed whipped topping over the sweetened condensed milk in an even layer.
  • Sprinkle the dry chocolate fudge cake mix evenly over the whipped topping layer. Use a fork to break up any large lumps in the cake mix.
  • Arrange the butter slices in a single layer on top of the cake mix, covering as much surface area as possible.
  • Roughly chop the remaining 4-6 Oreo cookies and sprinkle them on top of the butter layer.
  • Bake in the preheated oven for 35-40 minutes, until the top is set and the butter has been absorbed into the cake mix.
  • Remove from the oven and let cool for 5-10 minutes. Serve warm, scooping out portions with a large spoon.
  • If desired, top individual servings with a scoop of vanilla ice cream and a drizzle of chocolate syrup. Enjoy!

Notes

  • Serve the Oreo dump cake while it’s still warm for the best texture and flavor. As it cools, it will become more difficult to scoop out of the pan.
  • Experiment with different flavors of Oreo cookies or cake mix to customize the recipe to your liking.
  • Store any leftovers covered in the refrigerator for up to 3 days. Reheat individual portions in the microwave before serving.

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author avatar
Kim - InsanelyGood
Hey there! I'm Kim. I love running, cooking, and curling up with a good book! I share recipes for people who LOVE good food, but want to keep things simple :)

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