Ultimate Oreo Peanut Butter Chocolate Cake

Why You’ll Love This Recipe

  • Combines three all-time favorite flavors: chocolate, peanut butter, and Oreos
  • Moist and rich cake with a soft, fluffy texture
  • Creamy, luscious peanut butter frosting that melts in your mouth
  • A crunchy Oreo topping that adds an extra layer of indulgence
  • Perfect for birthdays, celebrations, or just because you deserve a treat

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Chocolate Cake:

  • All-purpose flour
  • Sugar
  • Unsweetened cocoa powder
  • Baking powder
  • Baking soda
  • Salt
  • Large eggs
  • Whole milk
  • Vegetable oil
  • Vanilla extract
  • Boiling water

For the Peanut Butter Frosting:

  • Unsalted butter, softened
  • Creamy peanut butter
  • Powdered sugar
  • Heavy cream
  • Vanilla extract

For the Oreo Decoration:

  • Crushed Oreo cookies
  • Whole Oreo cookies for topping

Directions

  1. Prepare the Cake Batter:

    • Preheat the oven to 350°F (175°C) and grease two 9-inch round cake pans.
    • In a large bowl, whisk together the dry ingredients: flour, sugar, cocoa powder, baking powder, baking soda, and salt.
    • Add the eggs, milk, vegetable oil, and vanilla extract to the dry mixture and mix until combined.
    • Stir in the boiling water carefully. The batter will be thin, but this helps create a moist cake.
  2. Bake the Cakes:

    • Pour the batter evenly into the prepared cake pans.
    • Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.
    • Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
  3. Make the Peanut Butter Frosting:

    • In a large bowl, beat the softened butter and peanut butter together until creamy.
    • Gradually add the powdered sugar, heavy cream, and vanilla extract. Beat until smooth and fluffy.
  4. Assemble the Cake:

    • Place one cake layer on a serving plate and spread a generous amount of peanut butter frosting on top.
    • Sprinkle crushed Oreos over the frosting.
    • Add the second cake layer on top and frost the entire cake with the remaining frosting.
    • Decorate with whole Oreos and more crushed cookies.
  5. Serve and Enjoy:

    • Slice and serve this indulgent dessert to impress your guests!

Servings and Timing

  • Servings: 10-12 slices
  • Prep Time: 20 minutes
  • Cook Time: 30-35 minutes
  • Cooling Time: 30 minutes
  • Total Time: Approximately 1 hour 30 minutes

Variations

  • Chocolate Lover’s Twist: Add chocolate chips to the cake batter for extra richness.
  • Nutty Delight: Sprinkle chopped peanuts over the frosting for a crunchy texture.
  • Oreo Explosion: Mix crushed Oreos directly into the frosting for even more cookie goodness.
  • Salted Caramel Touch: Drizzle caramel sauce over the frosting for a sweet and salty combination.
  • Gluten-Free Option: Use a gluten-free flour blend to make this cake celiac-friendly.

Storage/Reheating

  • Room Temperature: Store the cake in an airtight container for up to 2 days.
  • Refrigerator: Keep the cake refrigerated for up to 5 days. Let it sit at room temperature for 15-20 minutes before serving.
  • Freezing: Wrap individual slices in plastic wrap and freeze for up to 3 months. Thaw in the fridge overnight before serving.

FAQs

How do I make sure my chocolate cake stays moist?

Using boiling water in the batter helps keep the cake moist and tender. Also, avoid overbaking it.

Can I use crunchy peanut butter instead of creamy?

Yes, but it will give the frosting a slightly textured feel instead of a smooth consistency.

What’s the best way to crush Oreos for decoration?

You can crush them using a food processor or place them in a ziplock bag and smash them with a rolling pin.

Can I use a different frosting?

Absolutely! Chocolate buttercream or cream cheese frosting would also taste amazing with this cake.

How do I prevent my cake layers from sticking to the pan?

Grease and flour the cake pans well, or use parchment paper rounds for easy removal.

Can I make this cake ahead of time?

Yes! Bake the cakes a day in advance, wrap them in plastic wrap, and store them at room temperature. Frost before serving.

What type of cocoa powder should I use?

Unsweetened cocoa powder works best, but you can use Dutch-processed cocoa for a deeper flavor.

Can I make this recipe into cupcakes?

Yes! Fill cupcake liners ⅔ full and bake at 350°F for 18-20 minutes.

How do I get smooth frosting on my cake?

Use an offset spatula or a bench scraper and apply light, even pressure while frosting.

Can I use dairy-free substitutes?

Yes, swap the milk for almond or oat milk and use dairy-free butter for the frosting.

Conclusion

The Ultimate Oreo Peanut Butter Chocolate Cake is a show-stopping dessert that combines rich chocolate, creamy peanut butter, and crunchy Oreos in one irresistible treat. Perfect for celebrations or when you’re craving something extra indulgent, this cake will surely be a crowd-pleaser. Try it out, and let each bite take you to dessert heaven!

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