This Heavenly Chocolate Peanut Butter Ooey Gooey Cake is the ultimate treat for chocolate and peanut butter lovers. Rich, decadent layers of chocolate cake, creamy peanut butter filling, and silky dark chocolate ganache come together in this indulgent dessert. Topped with crushed peanuts and optional candy garnish, it’s perfect for celebrations or any time you want to enjoy a slice of pure bliss.
Why You’ll Love This Recipe
If you adore the classic combination of chocolate and peanut butter, this cake is made for you. The chocolate cake provides a rich base, while the peanut butter filling offers a creamy, dreamy layer that perfectly complements the sweetness of the ganache. The dark chocolate ganache on top adds a luxurious finish, and the crushed peanuts give a satisfying crunch that balances the smooth textures. Whether you're celebrating a special occasion or just need a decadent dessert to impress, this cake will definitely deliver.
Ingredients
For the Cake:
-
1 box chocolate cake mix (prepared according to package instructions)
For the Peanut Butter Filling:
-
1 cup creamy peanut butter
-
8 oz cream cheese, softened
-
2 cups powdered sugar
For the Ganache:
-
1 cup heavy cream
-
8 oz dark chocolate, chopped
For Topping:
-
½ cup crushed peanuts
-
Optional: Chocolate bars or peanut butter cups for garnish
(Tip: You'll find the full list of ingredients and measurements in the recipe card below.)
Directions
-
Prepare the Cake:
-
Follow the instructions on the chocolate cake mix box or your favorite homemade recipe. Bake the cake in two 8-inch round cake pans. Once baked, let the cakes cool completely.
-
-
Make the Peanut Butter Filling:
-
In a medium bowl, beat the softened cream cheese until smooth. Add the creamy peanut butter and powdered sugar. Mix until the filling is creamy and well-blended. Set aside.
-
-
Assemble the Cake:
-
Place one cooled chocolate cake layer on a serving plate. Spread a thick layer of the peanut butter filling over the top of the cake. Carefully place the second cake layer on top of the filling.
-
-
Prepare the Chocolate Ganache:
-
In a small saucepan, heat the heavy cream over medium heat until it begins to simmer. Remove from heat and pour over the chopped dark chocolate. Let sit for 5 minutes, then stir until smooth and shiny.
-
-
Top the Cake:
-
Pour the chocolate ganache over the top of the cake, allowing it to drip down the sides. Gently spread it for a smooth, glossy finish.
-
-
Garnish:
-
Sprinkle crushed peanuts on top, and add chocolate bars or peanut butter cups for garnish if desired.
-
-
Chill and Serve:
-
Chill the cake for at least 1 hour before slicing to allow the layers to set. Then, get ready to slice into that gooey goodness!
-
Servings and Timing
-
Servings: 12-16 servings
-
Prep Time: 20 minutes
-
Cooking Time: 30 minutes
-
Total Time: 1 hour 50 minutes
Variations
-
Nuts: If you prefer a different type of nut, you can swap the crushed peanuts for crushed almonds, hazelnuts, or even walnuts for a unique twist.
-
Cake Base: While the recipe calls for chocolate cake mix, feel free to use a homemade chocolate cake or a different flavor cake mix for a variation in taste.
-
Peanut Butter: Try using crunchy peanut butter for added texture in the filling, or add a swirl of chocolate peanut butter spread into the filling for an extra layer of flavor.
-
Ganache: You can use milk chocolate instead of dark chocolate for a sweeter, milder ganache.
Storage/Reheating
-
Storage: Store any leftover cake in an airtight container in the refrigerator for up to 3-4 days. This cake is best enjoyed chilled.
-
Reheating: If you want to enjoy a warm slice, you can gently warm individual slices in the microwave for about 10-15 seconds. However, it’s often best served chilled to maintain the smooth layers and textures.
FAQs
1. Can I make this cake ahead of time?
Yes, this cake can be made a day in advance and stored in the fridge. The layers will set beautifully and can be served chilled.
2. Can I use a different type of cake mix?
Absolutely! Feel free to use any flavor of cake mix you prefer, though chocolate works best to complement the peanut butter and ganache.
3. How do I know when the cake is done baking?
Check for doneness by inserting a toothpick into the center of the cake. If it comes out clean or with just a few crumbs, it’s done.
4. Can I freeze this cake?
Yes, you can freeze the cake for up to 2-3 months. Make sure to wrap it tightly in plastic wrap and foil before freezing. Thaw overnight in the refrigerator before serving.
5. Is there a substitute for cream cheese in the filling?
If you don’t have cream cheese, you can use mascarpone cheese or even a thick Greek yogurt as a substitute, though it may slightly alter the flavor.
6. How thick should the peanut butter filling be?
The peanut butter filling should be thick enough to spread easily but not too runny. If it’s too soft, add a little extra powdered sugar to firm it up.
7. Can I use milk chocolate for the ganache?
Yes, you can use milk chocolate for a sweeter ganache, but dark chocolate provides a richer contrast to the sweetness of the peanut butter filling.
8. Can I decorate the cake with something other than crushed peanuts?
Yes! You can use crushed pretzels, toffee bits, or even chopped candies like Reese's Peanut Butter Cups for an extra indulgent touch.
9. Can I make this cake without the ganache?
While the ganache adds a luxurious finish, you can skip it and simply dust the cake with powdered sugar or drizzle peanut butter over the top instead.
10. How can I make the cake less sweet?
If you prefer a less sweet cake, reduce the amount of powdered sugar in the filling and ganache. You can also opt for a less sweet chocolate cake mix.
Conclusion
This Heavenly Chocolate Peanut Butter Ooey Gooey Cake is a dream come true for anyone who loves the delicious duo of chocolate and peanut butter. With its layers of rich chocolate cake, creamy peanut butter filling, and glossy ganache, it’s sure to impress anyone who takes a bite. Whether you’re making it for a special occasion or just because, this cake is guaranteed to be a showstopper.

Heavenly Chocolate Peanut Butter Ooey Gooey Cake
5 Stars 4 Stars 3 Stars 2 Stars 1 Star
No reviews
- Author: Emmily
- Total Time: 1 hour 50 minutes
- Yield: 12–16 servings
- Diet: Vegetarian
Description
This Heavenly Chocolate Peanut Butter Ooey Gooey Cake is the ultimate indulgence for dessert lovers. Featuring rich chocolate cake layers, a creamy peanut butter filling, and a decadent dark chocolate ganache topping, this cake delivers pure bliss in every bite. Perfect for parties, holidays, or anytime you're craving a chocolate peanut butter treat, this easy-to-make cake is guaranteed to wow your guests.
Ingredients
Ingredients
For the Cake:
1 box chocolate cake mix (prepared according to package instructions)
For the Peanut Butter Filling:
1 cup creamy peanut butter
8 oz cream cheese, softened
2 cups powdered sugar
For the Ganache:
1 cup heavy cream
8 oz dark chocolate, chopped
For Topping:
½ cup crushed peanuts
Optional: Chocolate bars or peanut butter cups for garnis
Instructions
Instructions
-
Prepare the Cake:
Bake the chocolate cake according to the instructions on the box. Use two 8-inch round cake pans. Let the cakes cool completely. -
Make the Filling:
Beat softened cream cheese until smooth. Add peanut butter and powdered sugar, mixing until well-blended and creamy. -
Assemble the Cake:
Place one cake layer on a serving plate. Spread peanut butter filling generously over the top. Add the second cake layer on top. -
Make Ganache:
Heat heavy cream in a saucepan until simmering. Pour over chopped dark chocolate. Let sit 5 minutes, then stir until smooth and glossy. -
Top the Cake:
Pour ganache over the top of the cake, letting it drip down the sides. Smooth it out with a spatula. -
Garnish:
Sprinkle with crushed peanuts and garnish with chocolate bars or peanut butter cups if desired. -
Chill and Serve:
Chill cake for at least 1 hour before slicing. Serve and enjoy!
Notes
- Swap crushed peanuts for almonds, hazelnuts, or walnuts.
- Use crunchy peanut butter for texture.
- Milk chocolate can be used for a sweeter ganache.
- The cake can be made a day ahead and stored chilled.
- Store leftovers in the fridge for up to 3-4 days.
- Cake can be frozen (wrapped well) for up to 2-3 months.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American