Butterfinger Bomb Cake – A Chocolate Birthday Cake Explosion!

Hi there, food lover! 👋 Ready to unleash a dessert that’s bold, nostalgic, and guaranteed to steal the spotlight at any celebration? Say hello to the Butterfinger Bomb Cake – A Chocolate Birthday Cake Explosion! 🎉🍫. This cake is pure fun wrapped in rich chocolate layers, inspired by the classic candy bar flavors so many of us grew up loving. It’s the kind of birthday cake that makes eyes light up before the first slice is even cut and sparks excited chatter around the table.

Traditional birthday cakes have always been about joy, abundance, and a little bit of indulgence. This one proudly carries that spirit forward. Deep, moist chocolate cake forms the foundation, while creamy layers, crunchy Butterfinger pieces, and a decadent chocolate topping create a true “bomb” of texture and flavor. Every bite delivers contrast—soft cake, silky filling, and that unmistakable crisp peanut-butter crunch that makes Butterfinger so irresistible.

Despite its dramatic name and impressive look, this cake is made with familiar ingredients and straightforward steps, staying true to the heart of home baking. It’s not about perfection; it’s about generosity, celebration, and making memories. Whether you’re baking for a birthday, a special milestone, or just because chocolate cravings demand attention, this cake brings playful energy and comforting tradition together in one unforgettable dessert. Roll up your sleeves, embrace the mess, and let’s bake a cake that feels like a party all on its own. 🎂✨

Ingredients

For the Chocolate Cake Layers:

• 2 cups all-purpose flour
• 3/4 cup unsweetened cocoa powder
• 2 cups granulated sugar
• 1 1/2 teaspoons baking powder
• 1 1/2 teaspoons baking soda
• 1 teaspoon salt
• 2 large eggs, room temperature
• 1 cup whole milk
• 1/2 cup vegetable oil
• 2 teaspoons vanilla extract
• 1 cup hot brewed coffee or hot water

For the Creamy Peanut Butter Filling:

• 8 oz cream cheese, softened
• 1/2 cup creamy peanut butter
• 1/2 cup powdered sugar
• 1 teaspoon vanilla extract
• 1 cup whipped topping or whipped cream

For the Chocolate Frosting:

• 1 cup unsalted butter, softened
• 3/4 cup unsweetened cocoa powder
• 3–4 cups powdered sugar
• 1/4–1/2 cup heavy cream
• 2 teaspoons vanilla extract

For the Butterfinger “Bomb” Layer & Topping:

• 10–12 Butterfinger candy bars, chopped
• 1/2 cup chocolate ganache or chocolate syrup (optional, for extra drizzle)

Step-by-Step Directions

1. Preheat your oven to 350°F (175°C). Grease and line two 9-inch round cake pans with parchment paper.
2. In a large bowl, whisk together flour, cocoa powder, sugar, baking powder, baking soda, and salt until evenly mixed.
3. Add eggs, milk, oil, and vanilla extract, mixing until the batter is smooth.
4. Slowly stir in the hot coffee or water. The batter will be thin, which ensures a moist, tender cake.
5. Divide the batter evenly between the prepared pans and bake for 30–35 minutes, or until a toothpick inserted in the center comes out clean.
6. Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.
7. To make the peanut butter filling, beat the softened cream cheese until smooth.
8. Add peanut butter, powdered sugar, and vanilla extract, mixing until creamy.
9. Gently fold in the whipped topping until light and fluffy. Set aside.
10. Prepare the chocolate frosting by beating the butter until creamy, then gradually mixing in cocoa powder and powdered sugar.
11. Add heavy cream a little at a time until the frosting reaches a smooth, spreadable consistency. Stir in vanilla extract.
12. To assemble the cake, place one chocolate cake layer on a serving plate.
13. Spread an even layer of peanut butter filling over the top, then sprinkle generously with chopped Butterfinger pieces.
14. Place the second cake layer on top, pressing gently to secure.
15. Frost the top and sides of the cake with chocolate frosting, smoothing it evenly.
16. Press additional Butterfinger pieces onto the sides and pile them generously on top for that “explosion” effect.
17. If desired, drizzle chocolate ganache or syrup over the top, letting it drip naturally down the sides.
18. Chill the cake for 20–30 minutes before slicing to help the layers set cleanly.

Nutritional Information

Butterfinger Bomb Cake is a celebratory dessert designed for special occasions. It’s rich in flavor and energy, offering carbohydrates for quick fuel, fats for indulgent satisfaction, and protein from peanut butter and dairy. Candy pieces add crunch and sweetness, making this cake a joyful treat rather than an everyday indulgence. Enjoy it slowly, share it generously, and savor every bite as part of a celebration.

⏰ Prep Time: 40 minutes | 🔥 Baking Time: 35 minutes | ⏳ Total Time: 1 hour 45 minutes
⚡ Calories per serving: ~580 | 🍽️ Servings: 12

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Bon appétit and happy cooking!