If you’ve ever wished you could turn your favorite cookie into a cake, this Oreo Cake Recipe is exactly what you’ve been craving. With layers of moist chocolate cake, fluffy Oreo buttercream, and a silky ganache drip topped with whole Oreos, it’s the ultimate dessert for birthdays, parties, or any time you want to wow a crowd.
This isn’t just dessert — it’s an experience. One that combines nostalgia, chocolate indulgence, and the kind of presentation that makes people say, “You made that?!”
⭐ Why You’ll Love This Oreo Cake
- Cookies & Cream Heaven – Every bite is filled with Oreo flavor.
- Showstopper – Looks like bakery-quality, but made at home.
- Celebration-Ready – Perfect for birthdays, parties, and special occasions.
- Customizable – Switch fillings, toppings, or cake layers to make it your own.
- Crowd-Pleasing – Both kids and adults love it.
🧄 Ingredients You’ll Need

For the Cake:
- 2 cups all-purpose flour
- 1 ¾ cups granulated sugar
- ¾ cup cocoa powder
- 2 tsp baking powder
- 1 tsp baking soda
- 1 tsp salt
- 1 cup buttermilk
- ½ cup vegetable oil
- 2 eggs
- 2 tsp vanilla extract
- 1 cup hot water
For the Oreo Buttercream:
- 1 cup unsalted butter (room temp)
- 4 cups powdered sugar
- ¼ cup heavy cream
- 1 tsp vanilla extract
- 12 Oreo cookies, finely crushed
For Topping:
- ½ cup heavy cream
- 1 cup semisweet chocolate chips (for ganache)
- Whole Oreos for garnish
🍳 How to Make Oreo Cake

Step 1: Bake the Cake Layers
- Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
- In a bowl, whisk dry ingredients (flour, sugar, cocoa, baking powder, baking soda, salt).
- Add buttermilk, oil, eggs, and vanilla. Mix until smooth. Stir in hot water.
- Divide batter between pans and bake for 30–35 minutes. Cool completely.
Step 2: Make Oreo Buttercream
- Beat butter until creamy. Gradually add powdered sugar, cream, and vanilla.
- Fold in finely crushed Oreos until fluffy and speckled.
Step 3: Assemble
- Place one cake layer on a stand. Spread buttercream evenly on top.
- Add second cake layer and frost outside completely with buttercream.
Step 4: Ganache & Topping
- Heat cream until warm, pour over chocolate chips, and stir until smooth.
- Drizzle ganache around edges of frosted cake. Top with whole Oreos and extra crumbs.
🍰 Serving Ideas

- Serve with a glass of cold milk for classic cookies & cream vibes.
- Pair with coffee for an adult twist.
- Decorate with birthday candles for celebrations.
- Cut into generous slices — this cake is meant to be shared.
💡 Pro Tips
- Use room temperature ingredients for the fluffiest cake.
- Freeze cake layers for 20 minutes before frosting to prevent crumbs.
- Pulse Oreos finely for buttercream — chunky bits can clog piping tips.
- Store covered at room temp for 1 day or refrigerate up to 4 days.
🧡 Reader Love
“This Oreo Cake disappeared in minutes at my daughter’s party!” – @CakeMom
“Rich, moist, and the Oreo buttercream is perfection. Better than bakery.” – @SweetToothBaker
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Oreo Cake Recipe
- Total Time: 2 hours
- Yield: 1 9-inch 2-layer cake 1x
- Diet: Vegetarian
Description
A cookies and cream lover’s dream dessert! This Oreo Cake features rich chocolate layers, fluffy Oreo buttercream, and a silky ganache topping. It’s perfect for birthdays, special events, or when you just want a show-stopping cake that everyone will remember.
Ingredients
**For the Cake:**
2 cups all-purpose flour
1 ¾ cups granulated sugar
¾ cup cocoa powder
2 tsp baking powder
1 tsp baking soda
1 tsp salt
1 cup buttermilk
½ cup vegetable oil
2 eggs
2 tsp vanilla extract
1 cup hot water
**For the Oreo Buttercream:**
1 cup unsalted butter (room temp)
4 cups powdered sugar
¼ cup heavy cream
1 tsp vanilla extract
12 Oreo cookies, finely crushed
**For the Ganache & Topping:**
½ cup heavy cream
1 cup semisweet chocolate chips
Whole Oreos for garnish
Instructions
1. Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. In a large bowl, whisk together flour, sugar, cocoa powder, baking powder, baking soda, and salt.
3. Add buttermilk, vegetable oil, eggs, and vanilla. Mix until smooth.
4. Stir in hot water carefully (batter will be thin).
5. Divide batter evenly into prepared pans. Bake for 30–35 minutes or until a toothpick comes out clean. Cool completely.
6. To make the buttercream, beat butter until creamy. Gradually add powdered sugar, cream, and vanilla extract.
7. Fold in finely crushed Oreos until frosting is fluffy and speckled.
8. Place one cooled cake layer on a serving plate. Spread a thick layer of Oreo buttercream on top.
9. Add the second layer and frost the entire cake with remaining buttercream.
10. Warm heavy cream until just steaming. Pour over chocolate chips and stir until smooth to make ganache.
11. Drizzle ganache over cake edges and top with whole Oreos for decoration.
Notes
Use room temperature ingredients for best results.
Chill cake layers before frosting to avoid crumbs in the icing.
Make sure Oreos in buttercream are finely crushed to avoid piping issues.
This cake can be made a day in advance and stored in the fridge.
Bring to room temp before serving for best flavor.
- Prep Time: 25 minutes
- Cook Time: 35 minutes
- Category: Dessert, Cakes
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 510
- Sugar: 48g
- Sodium: 330mg
- Fat: 26g
- Saturated Fat: 12g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 65g
- Fiber: 3g
- Protein: 5g
- Cholesterol: 70mg

