Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat the oven to 375°F (190°C) and grease a 15x10-inch jelly roll pan.
- In a large mixing bowl, combine the sugar, sour cream, and melted butter and beat until creamy. Add eggs one at a time.
- Fold in the mashed ripe bananas and vanilla extract until smooth.
- Whisk together the flour, baking soda, and salt in a separate bowl. Gradually add to the banana mixture, stirring until just blended.
- Gently fold in walnuts if using.
- Pour batter into the prepared pan and bake for 20-25 minutes, until golden and a toothpick comes out clean.
- While baking, make the brown butter frosting by melting butter until golden brown and whisking in powdered sugar and milk.
- Spread frosting over warm brownies and let cool in the pan.
- Slice into squares once completely cooled.
Nutrition
Notes
Use overripe bananas for maximum sweetness. Test for doneness at 20 minutes to avoid overbaking.
