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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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Course: Dessert, Snack
Cuisine: American
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 9 square
Calories: 290kcal
Cost: $8

Equipment

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

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
  • cup heavy cream - For ganache
  • 1 fresh banana - Sliced for garnish

Instructions 

  • Mash ripe bananas and whisk with melted butter, sugar, egg, and vanilla.
  • Fold in flour, cocoa powder, and half the chocolate chips.
  • Bake in a lined 8x8 pan at 350°F for 25-30 minutes. Cool completely.
  • Whisk hot heavy cream and remaining chocolate chips to make ganache; spread over brownies.
  • 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.

Nutrition

Serving: 95g | Calories: 290kcal (15%) | Carbohydrates: 42g (14%) | Protein: 4g (8%) | Fat: 14g (22%) | Saturated Fat: 8g (50%) | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 45mg (15%) | Sodium: 80mg (3%) | Potassium: 250mg (7%) | Fiber: 3g (13%) | Sugar: 30g (33%) | Vitamin A: 350IU (7%) | Vitamin C: 3mg (4%) | Calcium: 30mg (3%) | Iron: 1.5mg (8%)