Banana Bread Brownies with Brown Butter Frosting

Ingredients (Makes 1 9×9-inch pan)

For the Banana Brownies:

• 2 ripe bananas, mashed
• ½ cup (115 g) unsalted butter, melted
• ½ cup (100 g) brown sugar
• 2 large eggs
• 1 tsp vanilla extract
• 1 cup (125 g) all-purpose flour
• ¼ cup (25 g) cocoa powder
• ½ tsp baking soda
• ¼ tsp salt

For the Brown Butter Frosting:

• ½ cup (115 g) unsalted butter
• 1½ cups (180 g) powdered sugar
• 1–2 tbsp milk or cream
• 1 tsp vanilla extract

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Instructions

1. Preheat oven: 350°F (175°C). Grease or line a 9×9-inch pan with parchment paper.
2. Make banana brownie batter:
   In a large bowl, combine mashed bananas, melted butter, brown sugar, eggs, and vanilla.
   In a separate bowl, whisk flour, cocoa powder, baking soda, and salt.
   Fold dry ingredients into wet until just combined.
3. Bake brownies:
   Pour batter into prepared pan. Bake 25–30 minutes or until a toothpick inserted comes out mostly clean. Cool completely.
4. Make brown butter frosting:
   • In a small saucepan, melt butter over medium heat, stirring occasionally until it turns golden brown and smells nutty. Remove from heat.
   • Let cool slightly, then whisk in powdered sugar, milk,