Oreo Dump Cake Recipe
Introduction
This Oreo Dump Cake is an incredibly simple yet indulgent dessert that layers classic Oreo cookies with sweetened condensed milk, whipped topping, and chocolate cake mix. It’s quick to assemble and perfect for satisfying chocolate cravings with minimal effort.

Ingredients
- 25 Oreo cookies
- 1 (14 ounce) can sweetened condensed milk
- 8 ounces whipped topping (Cool Whip), thawed but not frozen
- 1 (15¼ ounce) box chocolate cake mix (dry)
- ½ cup salted butter, sliced
Instructions
- Step 1: Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking dish with cooking spray.
- Step 2: Arrange 25 Oreo cookies in a single layer at the bottom of the baking dish.
- Step 3: Evenly pour the entire can of sweetened condensed milk over the Oreo cookies.
- Step 4: Spread the whipped topping evenly over the cookie and milk layer.
- Step 5: Sprinkle the dry chocolate cake mix over the whipped topping, covering as evenly as possible.
- Step 6: Distribute the sliced butter evenly on top of the cake mix.
- Step 7: Chop 8 additional Oreo cookies and sprinkle them over the top for extra crunch.
- Step 8: Bake in the preheated oven for 35 to 40 minutes, or until the top is golden and bubbling.
- Step 9: Serve warm, optionally topped with ice cream and drizzled with chocolate sauce for an irresistible treat.
Tips & Variations
- Substitute regular Oreos with mint or peanut butter flavored Oreos for a twist in flavor.
- Using salted butter enhances the sweetness, but unsalted butter works if preferred.
- For a fudgier cake, add a handful of chocolate chips before baking.
- Let the cake cool slightly to set before slicing for cleaner pieces.
Storage
Store any leftovers covered in the refrigerator for up to 3 days. Reheat individual servings in the microwave for 20-30 seconds to enjoy it warm again. This cake is best eaten within a few days as the whipped topping texture changes over time.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use a different type of cookie instead of Oreos?
Yes, you can substitute Oreos with any other sandwich cookies or chocolate wafer cookies, but Oreos provide the signature flavor and texture for this recipe.
Do I need to thaw the whipped topping before using it?
Yes, thaw the whipped topping in the refrigerator before spreading it to ensure it spreads evenly without melting or clumping.
Print
Oreo Dump Cake Recipe
- Total Time: 45-50 minutes
- Yield: 12 servings 1x
Description
This Oreo Dump Cake is an incredibly easy and delicious dessert that layers Oreo cookies with sweetened condensed milk, whipped topping, chocolate cake mix, and butter, baked to perfection for a gooey, chocolatey treat. Perfect for a quick and impressive dessert, it’s served warm and can be topped with ice cream and chocolate sauce for an extra indulgence.
Ingredients
Base Layer
- 25 Oreo cookies
- 1 (14 ounce) can sweetened condensed milk
- 8 ounces whipped topping (Cool Whip), thawed but not frozen
Topping
- 15¼ ounces chocolate cake mix (dry)
- ½ cup sweet salted butter, sliced
- 8 Oreo cookies, chopped
Instructions
- Preheat oven: Preheat your oven to 350 degrees Fahrenheit to ensure it’s ready for baking.
- Prepare baking dish: Grease a 9×13-inch baking pan thoroughly with cooking spray to prevent sticking.
- Arrange Oreos: Place 25 whole Oreo cookies evenly in a single layer on the bottom of the baking dish.
- Add sweetened condensed milk: Pour the entire can of sweetened condensed milk evenly over the Oreo layer, coating them well.
- Spread whipped topping: Evenly spread 8 ounces of whipped topping over the cookies and condensed milk mixture for a creamy layer.
- Sprinkle cake mix: Sprinkle the dry chocolate cake mix evenly over the whipped topping to cover the surface.
- Add butter slices: Distribute the ½ cup of sliced salted butter evenly over the cake mix to enhance richness and help create a crisp topping.
- Chop and sprinkle Oreos: Chop 8 Oreos and sprinkle the pieces evenly over the top for added texture and flavor.
- Bake: Place the baking dish in the oven and bake for 35 to 40 minutes until the cake mix layer is golden and bubbly.
- Serve: Serve the dump cake hot, optionally topped with ice cream and chocolate sauce for an indulgent dessert experience.
Notes
- Ensure the whipped topping is thawed but not liquidy for best layering.
- Using salted butter adds a nice balance to the sweet flavors; unsalted can be used but consider adding a pinch of salt.
- For extra decadence, top with vanilla ice cream and drizzle with chocolate sauce just before serving.
- Make sure to bake until golden and bubbly to fully cook the cake mix topping.
- This dessert is best served warm but can also be enjoyed at room temperature.
- Prep Time: 10 minutes
- Cook Time: 35-40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Keywords: Oreo dump cake, easy dessert, chocolate dump cake, layered cake dessert, quick baking dessert

