Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 375°F (190°C) and grease a 9x13 inch baking pan.
- Cream together softened butter and sugar until light and fluffy, about 3–5 minutes.
- Mix in sour cream, mashed bananas, eggs, and vanilla extract until well-combined.
- Gradually add flour, baking soda, and salt, stirring until just combined.
- Fold in optional nuts or chocolate chips, then spread the batter in the prepared pan.
- Bake for 23–28 minutes; check for doneness with a toothpick.
- Prepare the frosting by melting butter, then whisk in powdered sugar and milk until smooth.
- Frost the brownies once they have cooled slightly and let them set for 15 minutes before slicing.
Nutrition
Notes
Store in an airtight container at room temperature for up to 3 days. Refrigerate for up to a week, or freeze for up to 3 months.
