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Chocolate-Crusted Banana Blondies

A delicious chocolate crusted blondies packed with bananas. Chocolate-Crusted Banana Blondies are the perfect way to use up those sweet and ripe bananas!
Prep Time10 mins
Cook Time55 mins
Course: Dessert
Cuisine: American
Keyword: bananas, bars, Chocolate
Servings: 24 bars


  • 2 1/2 sticks unsalted butter 1 1/4 cups
  • chocolate wafer cookies to make about 3 cups crumbs
  • 1/4 cup light brown sugar
  • 1/2 teaspoon fine sea salt plus a pinch
  • 2 ripe bananas mashed
  • 2 large eggs
  • 1 1/2 cups dark brown sugar
  • 2 tablespoons dark rum or 1 teaspoon vanilla extract
  • 1 cup all-purpose flour


  • Pre-heat oven to 375 degrees. Line a 9-by-13-inch baking pan with parchment, and grease with butter (I sprayed with baking spray)
  • Melt 1 stick of butter in a saucepan over low heat.
  • Add the chocolate wafer cookies to the bowl of a food processor and process to make fine crumbs.
  • Add the light brown sugar, melted butter and a pinch of salt.
  • Process until the mixture is the consistency of damp sand.
  • Dump the mixture into the pan and press it into an even layer.
  • Bake for 7 to 10 minutes, or until the surface is firm.
  • Remove the pan from oven and set aside.
  • Reduce oven heat to 350 degrees.
  • Brown the butter in a heavy-bottom medium saucepan over medium-low heat.
  • When the butter has browned (about 3 minutes), set aside to cool.
  • In a large bowl, whisk together bananas, eggs, dark brown sugar and rum.
  • Whisk in brown butter.
  • In a separate bowl, whisk together flour and fine salt.
  • Pour the mixture over the prepared crust and spread evenly.
  • Transfer pan to oven and bake until the top is firm and a toothpick inserted in the center emerges with a few crumbs attached; 45 to 55 minutes.
  • Cool completely on a wire rack; cut into 24 bars.