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Banana brownie topped with creamy chocolate frosting and fresh banana slices, shown as a rich, fudgy square dessert on a plate.

Banana Brownie

A rich and fudgy chocolate brownie made moist with mashed bananas, topped with a glossy chocolate ganache and fresh banana slices.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 9 square
Course: Dessert, Snack
Cuisine: American
Calories: 290
Ingredients Equipment Method Notes

Ingredients
  

  • 3 ripe bananas Mashed (approx 1 cup)
  • ½ cup unsalted butter Melted
  • 1 cup granulated sugar For batter
  • 1 large egg Room temperature
  • 1 teaspoon vanilla extract Flavor
  • ¾ cup all-purpose flour Sifted
  • ½ cup cocoa powder Unsweetened
  • 1 cup chocolate chips Divided use
  • ⅓ cup heavy cream For ganache
  • 1 fresh banana Sliced for garnish

Equipment

  • 1 8x8 Baking Pan Square
  • 1 Mixing bowl Large
  • 1 Whisk Handheld

Method
 

  1. Mash ripe bananas and whisk with melted butter, sugar, egg, and vanilla.
  2. Fold in flour, cocoa powder, and half the chocolate chips.
  3. Bake in a lined 8x8 pan at 350°F for 25-30 minutes. Cool completely.
  4. Whisk hot heavy cream and remaining chocolate chips to make ganache; spread over brownies.
  5. Slice into squares and top each with fresh banana slices before serving.

Notes

Add the fresh banana topping just before serving to prevent browning. Use very ripe bananas for the batter.