Are you a fan of rich dark chocolate and creamy peanut butter? Then you're in for a treat! This Dark Chocolate Peanut Butter Cake is the ultimate indulgence. With layers of moist dark chocolate cake, smooth peanut butter frosting, and a glossy chocolate ganache, this dessert is perfect for any occasion—whether you're celebrating a birthday, impressing guests, or just treating yourself. Keep reading for the full recipe, tips on how to perfect this cake, and FAQs to ensure you get the best results every time.
What is a Dark Chocolate Peanut Butter Cake?
A Dark Chocolate Peanut Butter Cake is a heavenly combination of two classic flavors that pair incredibly well together: rich, slightly bitter dark chocolate and smooth, salty-sweet peanut butter. This cake typically features layers of moist dark chocolate cake, filled and frosted with a creamy peanut butter frosting, and sometimes topped with a rich chocolate ganache or peanut butter drizzle. The contrast of flavors creates a harmonious balance that appeals to both chocolate and peanut butter lovers alike.
Ingredients List for Dark Chocolate Peanut Butter Cake
To make this mouthwatering Dark Chocolate Peanut Butter Cake, you will need the following ingredients:
For the Dark Chocolate Cake:
- 2 cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder (preferably dark cocoa)
- 2 teaspoons baking powder
- 1½ teaspoons baking soda
- 1 teaspoon salt
- 1 cup whole milk
- ½ cup vegetable oil
- 2 large eggs, room temperature
- 2 teaspoons vanilla extract
- 1 cup boiling water
- ½ cup brewed coffee (optional, enhances chocolate flavor)
For the Peanut Butter Frosting:
- 1 cup creamy peanut butter (not the natural, oily kind)
- ½ cup unsalted butter, softened
- 3-4 cups powdered sugar
- ¼ cup heavy cream or milk (adjust as needed for consistency)
- 1 teaspoon vanilla extract
- A pinch of salt
For the Chocolate Ganache (optional, for topping):
- 1 cup dark chocolate chips or chopped dark chocolate
- ½ cup heavy cream
- 1 tablespoon unsalted butter
Substitutions and Variations
- Gluten-Free Option: To make this cake gluten-free, replace the all-purpose flour with a gluten-free flour blend that can be used cup-for-cup. Check the flour blend for additional leavening agents to adjust accordingly.
- Dairy-Free Version: Substitute whole milk with almond milk or any plant-based milk. Use vegan butter or margarine in place of unsalted butter, and ensure the dark chocolate used is dairy-free.
- Nut-Free Alternative: If you're allergic to peanut butter, you can swap the peanut butter for sunflower seed butter or almond butter (though note that almond butter may have a different taste profile).
- Sweeter Frosting: If you prefer a sweeter frosting, feel free to add more powdered sugar. You can also drizzle some caramel sauce between the layers for extra sweetness and depth of flavor.
Step-by-Step Cooking Instructions
Now that we have the ingredients ready, let's dive into the steps to create this delicious Dark Chocolate Peanut Butter Cake.
Step 1: Prepare the Dark Chocolate Cake Layers
- Preheat your oven to 350°F (175°C). Grease and line two 9-inch round cake pans with parchment paper.
- In a large bowl, sift together the all-purpose flour, granulated sugar, cocoa powder, baking powder, baking soda, and salt.
- In another bowl, whisk together the milk, vegetable oil, eggs, and vanilla extract until well combined.
- Gradually add the wet ingredients to the dry ingredients, mixing slowly to avoid lumps.
- Once everything is combined, stir in the boiling water and coffee (if using). The batter will be quite thin, but don’t worry—it’s supposed to be.
- Pour the batter evenly into the prepared cake pans.
- Bake for 30–35 minutes or until a toothpick inserted into the center of the cakes comes out clean.
- Remove from the oven and allow the cakes to cool in the pans for about 10 minutes before transferring them to a wire rack to cool completely.
Step 2: Make the Peanut Butter Frosting
- In a large bowl, beat the peanut butter and softened butter together until creamy and smooth.
- Gradually add the powdered sugar, one cup at a time, beating on low speed to combine.
- Add the vanilla extract and a pinch of salt.
- Slowly add the cream or milk, a tablespoon at a time, until the frosting reaches your desired consistency. You want it smooth, spreadable, but not too runny.
Step 3: Prepare the Chocolate Ganache (Optional)
- Place the dark chocolate chips or chopped dark chocolate in a heatproof bowl.
- Heat the heavy cream in a small saucepan until it just begins to simmer. Do not let it boil.
- Pour the hot cream over the chocolate and let it sit for a minute to soften the chocolate.
- Stir until smooth and glossy. Add the butter and stir until fully melted and incorporated.
- Let the ganache cool slightly before using.
How to Cook a Dark Chocolate Peanut Butter Cake: A Step-by-Step Guide
- Leveling the Cake: If your cake layers have domed tops, use a serrated knife to carefully level them. This will ensure your cake layers stack evenly.
- Assembling the Cake: Place one cake layer on a serving plate or cake stand. Spread a generous amount of peanut butter frosting over the top. Place the second cake layer on top and press down gently.
- Frosting the Cake: Use the remaining peanut butter frosting to coat the entire cake. You can opt for a smooth finish or a more rustic, swirled look, depending on your preference.
- Adding the Ganache: If using ganache, pour it over the top of the cake and allow it to drip down the sides. You can use an offset spatula to gently spread it across the surface for an even finish.
- Chilling the Cake: Let the cake chill in the fridge for at least 30 minutes before serving. This helps the frosting and ganache set.
Common Mistakes to Avoid
- Overmixing the Batter: Overmixing can cause the cake to become dense and tough. Mix just until the ingredients are combined.
- Not Cooling the Cake Properly: Never frost a warm cake. The frosting will melt and become runny. Always ensure the cake is completely cooled before frosting.
- Skipping the Coffee: If you're hesitant about using coffee, don’t worry—it enhances the chocolate flavor without adding a strong coffee taste.
- Too Thin Ganache: If your ganache is too thin, let it cool a bit longer before pouring it over the cake. If it's too thick, warm it slightly to make it pourable.
Serving and Presentation Tips
Presentation can take your cake to the next level! Here are a few tips to make sure your Dark Chocolate Peanut Butter Cake looks as good as it tastes.
How to Serve Dark Chocolate Peanut Butter Cake
- Slice the cake into even portions using a sharp knife dipped in hot water. Clean the knife between cuts for neat slices.
- Serve each slice with a drizzle of chocolate syrup or caramel sauce for an extra indulgent touch.
- A dollop of whipped cream or a scoop of vanilla ice cream pairs wonderfully with this cake.
Presentation Ideas for Dark Chocolate Peanut Butter Cake
- Garnish the top of the cake with chopped peanuts or mini peanut butter cups.
- Add a sprinkle of flaky sea salt on top of the ganache to enhance the flavors.
- For an elegant touch, pipe rosettes of peanut butter frosting along the edges of the cake.
- If you want to go all out, you can create chocolate curls or shavings to decorate the top.
Dark Chocolate Peanut Butter Cake Recipe Tips
- Room Temperature Ingredients: Make sure your eggs and milk are at room temperature for a smoother batter.
- Chill the Cake Before Slicing: Chilling the cake for about 30 minutes before slicing makes it easier to cut clean slices.
- Storage: Store leftover cake in an airtight container in the refrigerator for up to 4 days. Bring it to room temperature before serving.
Frequently Asked Questions (FAQs)
Can I make this cake ahead of time?
Yes! You can bake the cake layers in advance, wrap them tightly in plastic wrap, and store them in the refrigerator for up to 2 days or freeze them for up to a month. Just thaw them before frosting.
Can I use natural peanut butter?
It’s best to use regular creamy peanut butter because natural peanut butter tends to separate and could affect the texture of the frosting.
How do I make a more intense chocolate flavor?
Adding a teaspoon of espresso powder to the cake batter will enhance the chocolate flavor even more.
Can I use milk chocolate instead of dark chocolate?
Yes, but it will result in a much sweeter cake. Dark chocolate balances the sweetness of the peanut butter frosting, so keep that in mind if you decide to substitute.
Conclusion
This Dark Chocolate Peanut Butter Cake is a rich, decadent treat that’s sure to satisfy any sweet tooth. With its layers of moist chocolate cake, creamy peanut butter frosting, and optional ganache, it's perfect for any special occasion—or for any time you crave a truly indulgent dessert. Follow the tips and steps outlined above, and you’ll be enjoying a stunning and delicious cake in no time. Happy baking!
PrintDark Chocolate Peanut Butter Cake Recipe
This Dark Chocolate Peanut Butter Cake recipe blends rich dark chocolate and creamy peanut butter for an indulgent dessert. With layers of moist cake and smooth peanut butter frosting, it's a chocolate lover's dream. Perfect for special occasions or simply treating yourself, this recipe brings bold flavors with easy-to-follow steps.
- Prep Time: 25 minutes
- Cook Time: 35 minutes
- Total Time: 1 hour
- Yield: 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 ¾ cups all-purpose flour
- 1 ½ cups granulated sugar
- ¾ cup dark cocoa powder
- 1 ½ teaspoons baking powder
- 1 ½ teaspoons baking soda
- 1 teaspoon salt
- 2 large eggs
- 1 cup whole milk
- ½ cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup boiling water
- ¾ cup creamy peanut butter
- 1 ½ cups powdered sugar
- ¼ cup butter, softened
- 3 tablespoons heavy cream
- 8 oz dark chocolate (for ganache)
- ½ cup heavy cream (for ganache)
Instructions
- Preheat the oven to 350°F. Grease and line two 9-inch cake pans.
- In a large bowl, combine flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- Add eggs, milk, oil, and vanilla. Beat on medium speed until smooth.
- Stir in boiling water (batter will be thin). Pour into prepared pans.
- Bake for 30-35 minutes or until a toothpick comes out clean. Cool in pans for 10 minutes before transferring to wire racks.
- For the frosting, beat peanut butter, powdered sugar, butter, and cream until smooth and fluffy.
- For ganache, heat ½ cup heavy cream and pour over chopped dark chocolate. Stir until melted and smooth.
- Assemble the cake by layering the peanut butter frosting between the cakes and pouring ganache on top.
- Chill the cake for 30 minutes before serving.
Notes
- Use high-quality dark chocolate for best results.
- Chill the cake before cutting to allow ganache to set properly.
Nutrition
- Serving Size: 1 slice (1/12 of cake)
- Calories: 450
- Sugar: 34g
- Sodium: 300mg
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