Butterfinger Bomb Cake

This Butterfinger Bomb Cake begins with moist chocolate cake that’s filled with sweet drizzles of caramel before being topped with whipped vanilla frosting and delicious Butterfinger Minis.

Course Dessert
Cuisine American
Keyword Butterfinger Cake, Butterfunger Bomb Cake
Prep Time 15 days
Cook Time 35 days
Total Time 50 days
Servings 12
Calories 474 kcal
Author Stephanie


  • 1 15.25 oz. box chocolate cake mix
  • 2-3 eggs as indicated on cake mix box
  • Vegetable oil as indicated on cake mix box
  • 1 cup sour cream
  • 1/3 cup caramel sauce
  • 1 16 oz. container vanilla frosting
  • ¾ cup whipping cream
  • 1 10.8 oz. package Butterfinger Minis
US Customary - Metric


  1. Combine all cake mix ingredients (mix, eggs, vegetable oiper package instructions, but omit one cup of water and use sour cream instead. Any remaining water over one cup can be used.
  2. Bake the cake in a 9x13 pan per the temperature and time noted on cake box instructions.
  3. Use a chopstick or another similar tool to create holes in the cake while it’s still warm. Fill them with caramel sauce.
  4. Let the cake cool completely.
  5. In a large bowl, combine the frosting with the whipping cream. Use a hand mixer to blend and whip them together until light and fluffy, about 5 minutes on medium speed.
  6. Spread the frosting evenly over the top and sides of the cake.
  7. Use a knife to break some of the Butterfinger Minis into pieces and sprinkle them over the top of the cake.
  8. Place whole Butterfinger minis over the top of the cake and drizzle with additional caramel sauce if desired.
  9. Chill until ready to serve. Leftovers also need to be refrigerated.
Nutrition Facts
Butterfinger Bomb Cake
Amount Per Serving
Calories 474 Calories from Fat 180
% Daily Value*
Fat 20g31%
Saturated Fat 9g56%
Cholesterol 58mg19%
Sodium 420mg18%
Potassium 116mg3%
Carbohydrates 71g24%
Fiber 1g4%
Sugar 47g52%
Protein 4g8%
Vitamin A 385IU8%
Vitamin C 0.2mg0%
Calcium 121mg12%
Iron 1.1mg6%
* Percent Daily Values are based on a 2000 calorie diet.