Go Back
Rich and decadent Chocolate Banana Brownie Batter Cupcakes
4.75 from 4 votes

Chocolate Banana Brownie Batter Cupcakes


Chocolate Banana Cupcakes:

  • 1 box devil's food cake mix
  • 2 medium sized ripe bananas mashed
  • 3 eggs
  • 1/2 C. oil or melted butter
  • 3/4 C. sour cream or plain yogurt
  • 2 tsp. vanilla extract

Brownie Batter Frosting:

  • 1 C. butter softened
  • 1/2 C. dry brownie mix from a box*
  • 2 tsp. vanilla extract
  • 1-2 Tbsp. milk
  • 2-3 C. powdered sugar
  • Sprinkles for deocoration
  • *If you don't want to use brownie mix use a combination of unsweetened cocoa powder, brown sugar and flour


  1. 1. Preheat oven to 350 degrees and line pans with cupcake liners.
  2. 2. Sift cake mix into a large bowl to remove any lumps and add mashed bananas, eggs, oil, sour cream and vanilla extra. Stir until smooth.
  3. 3. Full cupcake liners 3/4 full and bake for 15-20 minutes or until and inserted knife comes out clean.
  4. 4. Let cool.
  5. 5. Brownie Batter Frosting: Beat butter for 2 minutes until smooth. Add brownie mix and beat again for 2 minutes. Add vanilla extract, 1 Tbsp. milk and 1 cup powdered sugar. Continue to add more sugar until you reach your desired consistency. Add more milk if it becomes too thick and add 1-2 Tbsp. unsweetened cocoa powder if you want a richer chocolate flavor.
  6. 6. Pipe frosting onto cooled cupcakes and top with sprinkles for color!