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Banana Chocolate Chip Bars with Browned Butter Frosting Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4 from 59 reviews
  • Author: Lily
  • Prep Time: 10 minutes
  • Cook Time: 23 minutes
  • Total Time: 33 minutes
  • Yield: 20 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

These Banana Chocolate Chip Bars are a moist and flavorful treat perfect for any occasion. Made with overripe bananas, a blend of sugars, and mini chocolate chips, they offer a sweet, tender crumb topped with a luscious brandied brown butter frosting and garnished with extra chocolate chips. Easy to prepare and baked to perfection, these bars are a crowd-pleaser that you can enjoy warm or chilled.


Ingredients

Banana Chocolate Chip Bars

  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 1/3 cup dark brown sugar, packed
  • 1½ tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp salt
  • 1 tsp cinnamon
  • 3 overripe bananas, mashed (~1 cup)
  • 2 large eggs
  • 1/3 cup vegetable oil
  • 2 cups all-purpose flour
  • 1 cup mini chocolate chips
  • 1 tsp vanilla bean paste

Brandied Brown Butter Frosting

  • 1/3 cup unsalted butter
  • 2 cups powdered sugar, sifted
  • 1 Tbsp milk (plus splash as needed)
  • 1 tsp vanilla bean paste
  • 1/3 cup mini chocolate chips for garnishing


Instructions

  1. Preheat oven and prepare pan: Preheat your oven to 350°F (175°C) and lightly grease a 9×13-inch baking pan with non-stick baking spray. Set aside.
  2. Cream butter and sugars: Using a stand mixer fitted with the wire whip attachment, beat the softened butter for 30 seconds. Add granulated sugar and dark brown sugar, then beat until fully combined and smooth.
  3. Add dry ingredients: Mix in baking powder, baking soda, cinnamon, and salt. Beat until the mixture is combined, scraping the bowl sides occasionally to ensure even mixing.
  4. Add wet ingredients: Beat in the eggs, mashed bananas, vegetable oil, and vanilla bean paste until the batter is smooth and blended.
  5. Fold in flour and chocolate chips: Turn off the mixer and gently fold in the all-purpose flour and mini chocolate chips using a spatula until just combined, being careful not to overmix.
  6. Pour into baking dish: Pour the batter into the prepared baking pan and spread evenly to the edges.
  7. Bake: Bake for 23-25 minutes, or until a toothpick inserted into the center comes out mostly clean with a few moist crumbs. The tops will look golden. Remove from oven and allow bars to cool completely.
  8. Make brandied brown butter frosting: In a light-colored saucepan, melt the butter over medium heat, stirring continuously. Reduce heat to low as it melts fully, then watch as it foams, simmers, and turns a nutty golden brown with an aromatic smell. Immediately remove from heat and pour into a heat-proof bowl to stop cooking.
  9. Prepare frosting: Whisk in sifted powdered sugar, milk, and vanilla bean paste until smooth. Add a small splash more milk if needed to achieve a spreadable consistency.
  10. Frost bars: Spread the frosting evenly over the cooled banana bars.
  11. Garnish with chocolate chips: Sprinkle additional mini chocolate chips on top, gently pressing them into the frosting to adhere.
  12. Serve and enjoy: Cut into bars and enjoy chilled or at room temperature. These bars are especially delightful cold!

Notes

  • Use very ripe bananas for best flavor and moisture.
  • Do not overbake the bars; a few crumbs on the toothpick are ideal for moist texture.
  • For a stronger brandy flavor in the frosting, you can add a teaspoon of brandy if desired.
  • Bars keep well refrigerated and can be eaten cold or warmed slightly.
  • Store leftovers in an airtight container in the refrigerator for up to 5 days.