Butterfinger Bomb Cake Recipe
Introduction
The Butterfinger Bomb Cake is a decadent chocolate dessert layered with gooey caramel and crunchy Butterfinger candy pieces. It’s easy to make and guaranteed to satisfy any sweet tooth with its rich flavors and delightful texture.

Ingredients
- 1 (15.25 oz.) box Chocolate Cake Mix + additional cake mix ingredients (eggs, oil)
- 1 cup Sour Cream
- 1 cup Chocolate Chips
- 1 Jar Caramel Ice Cream Topping
- 1 (16 oz.) container Vanilla Frosting
- ¾ cup Crumbled Butterfinger Cups minis, Butterfinger Bites, or Butterfinger Fun-Size
Instructions
- Step 1: Prepare the cake mix according to the package instructions, then stir in the sour cream and chocolate chips until well combined.
- Step 2: Pour the batter into a 9×13-inch baking pan and bake as directed on the cake mix box.
- Step 3: Once baked, remove the cake from the oven and while it’s still warm, poke holes all over the surface using the end of a wooden spoon or a similar tool.
- Step 4: Reserve 5 tablespoons of the caramel topping, then pour the remaining caramel into the holes of the cake, letting it soak in.
- Step 5: Chill the cake in the refrigerator for at least 30 minutes to set.
- Step 6: Spread the vanilla frosting evenly over the top of the chilled cake.
- Step 7: Sprinkle the crumbled Butterfinger candy over the frosting, then drizzle the reserved caramel on top.
- Step 8: Slice the cake and serve.
Tips & Variations
- Use full-fat sour cream for a richer texture and extra moist cake.
- For added crunch, try mixing some chopped nuts with the Butterfinger crumble on top.
- Substitute vanilla frosting with whipped cream for a lighter topping.
- Chocolate or peanut butter frostings can be used to complement the Butterfinger flavor.
Storage
Store the cake covered in the refrigerator for up to 4 days to keep the frosting and caramel fresh. Before serving, let the cake sit at room temperature for about 15 minutes to soften the frosting slightly. Leftover cake can also be frozen for up to 1 month; thaw overnight in the refrigerator.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use homemade cake instead of a box mix?
Absolutely! This recipe works well with your favorite homemade chocolate cake. Just be sure to add the sour cream and chocolate chips as described for the extra moist texture and chocolate bursts.
What if I don’t have Butterfinger candy?
You can substitute with other crunchy candy bars like Heath, Snickers, or even crushed peanut butter cups for a similar texture and flavor profile.
PrintButterfinger Bomb Cake Recipe
This Butterfinger Bomb Cake is a decadent chocolate dessert featuring a moist chocolate cake infused with chocolate chips and sour cream, filled with gooey caramel sauce, and topped with creamy vanilla frosting and crunchy Butterfinger candy pieces. Perfect for chocolate lovers looking for a rich and indulgent treat with a delightful mix of textures and flavors.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
Cake:
- 1 (15.25 oz.) box Chocolate Cake Mix plus additional ingredients as per package (eggs, oil)
- 1 cup Sour Cream
- 1 cup Chocolate Chips
Filling and Topping:
- 1 Jar Caramel Ice Cream Topping (about 12–14 oz.)
- 1 (16 oz.) container Vanilla Frosting
- ¾ cup crumbled Butterfinger Cups minis, Butterfinger Bites, or Butterfinger Fun-Size candy
Instructions
- Prepare the Cake Batter: Mix the cake ingredients according to the package instructions. Once combined, fold in 1 cup of sour cream and 1 cup of chocolate chips to add moisture and extra chocolate flavor.
- Bake the Cake: Pour the batter into a greased 9 x 13-inch baking pan and bake according to the package directions for the chocolate cake mix until a toothpick inserted in the center comes out clean.
- Create Holes for Filling: While the cake is still warm, use the end of a wooden spoon to poke holes all over the surface of the cake to prepare for the caramel filling.
- Add Caramel Filling: Reserve 5 tablespoons of caramel sauce for topping. Pour the remaining caramel ice cream topping into the holes, allowing it to soak into the cake.
- Chill the Cake: Place the cake in the refrigerator for at least 30 minutes to allow the caramel to set and the cake to cool.
- Frost the Cake: Spread the entire container of vanilla frosting evenly over the chilled cake.
- Garnish and Serve: Sprinkle the crumbled Butterfinger candy evenly over the frosted cake and drizzle the reserved caramel sauce on top. Slice and enjoy this rich, chocolatey dessert.
Notes
- Use full-fat sour cream for the richest flavor and moistest cake texture.
- If you want more caramel, additional caramel sauce can be added on top before serving.
- Butterfinger candy pieces can be substituted with other crunchy peanut butter candy for variation.
- Allowing the cake to chill properly enhances the caramel filling and frosting texture.
- Store leftovers in the refrigerator, covered, for up to 3 days.
Keywords: Butterfinger Bomb Cake, Chocolate Cake, Caramel Cake, Easy Dessert, Chocolate Dessert, Butterfinger Cake

