Ingredients:
1. 1-1/2 cups sugar
2. 1 cup sour cream
3. 1/2 cup butter, softened
4. 2 eggs
5. 1-3/4 (3 or 4) ripe bananas, mashed
6. 2 teaspoons vanilla extract
7. 2 cups all-purpose flour
8. 1 teaspoon baking soda
9. 3/4 teaspoon salt
10. 1/2 cup chopped walnuts (optional)
Brown Butter Frosting:
1. 1/2 cup butter
2. 4 cups powdered sugar
3. 1-1/2 teaspoons vanilla extract
4. 3 tablespoons milk
Directions:
1. Preheat Oven:
1.1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking pan.
Prepare the Banana Bread Bars:
2.1. In a mixing bowl, cream together the sugar, sour cream, and softened butter.
2.2. Beat in the eggs, mashed bananas, and vanilla extract until well combined.
2.3. Add the flour, baking soda, and salt, mixing until just incorporated.
2.4. Stir in the chopped walnuts if using.
2.5. Spread the batter evenly into the prepared baking pan.
Make the Brown Butter Frosting:
3.1. In a saucepan, melt the butter over medium heat. Continue cooking, stirring often, until the butter turns a golden brown color and has a nutty aroma.
3.2. Remove the browned butter from heat and let it cool slightly.
3.3. Whisk in the powdered sugar, vanilla extract, and milk until smooth and creamy.
3.4. Spread the frosting over the cooled banana bread bars.
Serve:
4.1. Allow the frosting to set before cutting the banana bread bars into squares.
4.2. Enjoy these delicious Banana Bread Brownies as a sweet treat or dessert!
Prep Time: 20 minutes | Cooking Time: 30 minutes | Total Time: 50 minutes | Calories: 400 kcal per serving | Servings: 12 servings