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4.93 from 13 votes

Ooey Gooey Banana Bars

Ooey Gooey Banana Bars are sweet and moist dessert bars that are loaded with bananas and frosted with homemade salted caramel buttercream.
Course: Dessert
Cuisine: American
Keyword: Ooey Gooey Banana Bars
Servings: 12
Calories: 680kcal
Author: Amanda Rettke--iambaker.net


Banana Bars

  • 1 cup (2 sticks / 227 g) butter, melted
  • 2 cups (400 g) brown sugar
  • 1 tablespoon vanilla extract
  • 2 large eggs, room temperature
  • 2 cups (250 g) all-purpose flour
  • 1 teaspoon kosher salt
  • 2 (about ⅔ cup) ripe bananas, mashed (some chunks okay)

Salted Caramel Buttercream

  • ½ cup (1 stick / 113g) unsalted butter, room temperature
  • 2 cups (250g) confectioners' sugar, sifted
  • ½ teaspoon kosher salt
  • ¼ cup (82 g) caramel topping
  • teaspoons whole milk, as needed


Banana Bars

  • Preheat the oven to 350°F and line a 9x13-inch baking dish with parchment paper.
  • In a large bowl, using a hand mixer, combine the butter and brown sugar until creamy.
  • On low speed, add the vanilla and mix until incorporated.
  • Add the eggs, mixing on low until incorporated.
  • Add the flour and the salt, mixing well.
  • Fold in the mashed bananas.
  • Pour the batter into the prepared pan and bake for 45 minutes, or until the center is set.
  • Let the bars cool as you prepare the buttercream frosting.

Salted Caramel Buttercream

  • Combine the butter, sugar, salt, and caramel topping in the bowl of a stand mixer fitted with a paddle attachment.
  • Start mixing on low speed until the sugar is incorporated with the butter.
  • Increase the mixing speed to high and beat until smooth and fluffy, about 2 minutes.
  • Adjust the consistency with milk as needed.
  • Frost the banana bars with the buttercream after they have cooled completely.


Calories: 680kcal