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. If you love desserts with bananas, or just need a great recipe to use up ripe bananas, be sure to also try my Chocolate Chip Banana Bread

Ooey Gooey Banana Bars

These bars are rich dessert bars that are made with brown sugar to give them that extra sweetness. They are moist and dense with a wonderful banana flavor in every bite. Although these bars would be delicious on their own, the homemade salted caramel buttercream frosting puts this dessert over the top!

Ooey Gooey Banana Bars with Salted Caramel Frosting Stacked 3 High

Ooey Gooey Banana Bars Recipe

There are two parts to these ooey-gooey banana bars treat–the banana bars and the salted caramel buttercream.

Banana Bars Ingredients (full recipe below)

  • Butter
  • Brown sugar
  • Eggs
  • Vanilla
  • All-purpose flour
  • Kosher salt
  • Ripe bananas

Salted Caramel Buttercream Ingredients

  • Unsalted butter
  • Confectioners’ sugar
  • Salt
  • Caramel topping
  • Whole milk

Ooey Gooey Banana Bars in Pan with Half of Frosting Spread

How to Make Ooey Gooey Banana Bars

This batter is made up of melted butter, a fair amount of brown sugar, and much less flour than normal which is great for a soft and chewy dessert bar. But the addition of the bananas in the mix, as well as the homemade salted caramel buttercream, really makes these bars a special treat.

  1. First, combine the melted butter and brown sugar in a large bowl. Stir well before adding the vanilla and eggs.
  2. Next, add the flour and salt, mixing well.
  3. Then, fold in the mashed bananas. It is fine if there are a few chunks of banana in the mix.
  4. Finally, bake at 350°F for 45 minutes, or until the center is set.
  5. Let the bars cool completely before adding the buttercream.

Ooey Gooey Banana Bars with Salted Caramel Frosting in Pan with 5 bars Removed

How to Make Salted Caramel Buttercream

Having your butter and milk at room temperature helps greatly in this ooey gooey banana bar recipe. You can substitute whipping cream for milk, but it is not necessary if you get the butter whipped up nicely. (I do not recommend skim milk in this recipe.)

First, in a stand mixer with a paddle attachment, combine the butter, confectioners’ sugar, salt, and caramel topping. Mix on low until every ingredient is combined. Next, mix it on high for a couple of minutes, or until the buttercream is smooth and fluffy.

Finally, add the milk. The milk is added for your desired consistency, so start with just a little bit, and continue to add more milk to make it smoother. Buttercream can be made in advance, so to save some time, make it ahead of time! Store it in the refrigerator for up to a week or the freezer for up to 3 months.

Fork Taking a Bite out of Ooey Gooey Banana Bars with Salted Caramel Frosting

Looking for More Dessert Bar Recipes?

Butterscotch Zucchini Bars

Chocolate Chip Caramel Bars

Apple Cream Cheese Bars

Caramel Pumpkin Butter Bars

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 or 226g) butter, melted
  • 2 cups (400g) brown sugar
  • 1 tablespoon vanilla extract
  • 2 large eggs, room temperature
  • 2 cups (250g) all-purpose flour
  • 1 teaspoon kosher salt
  • 2 (about 2/3 cup) ripe bananas, mashed (some chunks okay)

Salted Caramel Buttercream

  • 1/2 cup (1 stick or 113g) unsalted butter, room temperature
  • 2 cups (250g) confectioners' sugar, sifted
  • 1/2 teaspoon salt
  • 1/4 cup (82g) caramel topping
  • 1 1/2 teaspoons whole milk, as needed


Banana Bars

  • Preheat the oven to 350°F and line a 9×13-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
Tried this recipe?Let us know how it was!

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