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Side view square pieces banana cake topped with peanut butter frosting on white plate.

Banana Bread Bars with Peanut Butter Cream Cheese Frosting

This light and fluffy banana cake with whipped peanut butter frosting has quickly become one of my favorites! It has a tender texture and a perfect, not-too-sweet flavor, thanks to the addition of yogurt and bananas.

Prep: 15 mins Cook: 40 mins Total: 55 mins
Servings: 16 pieces 1x
Scale

Ingredients

For The Cake:

  • ½ cup granulated sugar (may substitute coconut sugar)
  • ⅓ cup melted unsalted butter
  • 2 large eggs
  • 3 ripe bananas (300 g) 
  • 1 cup plain yogurt 
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose gluten-free flour* (296 g)
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • ½ teaspoon fine salt

For The Frosting:

  • 2 oz. cream cheese, softened (may substitute vegan cream cheese for dairy-free)
  • 2 tablespoons butter, softened (may substitute softened coconut oil or vegan butter for dairy-free)
  • 1 teaspoon pure vanilla extract
  • ¼ cup creamy peanut butter
  • ½ cup powdered sugar

Instructions

For The Cake:

  1. Preheat oven to 350°F. Spray an 8×8-inch baking dish with cooking spray. 
  2. In a mixing bowl, combine the sugar, butter, eggs, yogurt, and vanilla. Mash the banana and stir into the batter.
  3. Add the flour, baking powder, baking soda, and salt, and stir together. Pour the mixture into the prepared baking dish, spreading it evenly over the bottom. 
  4. Bake for 40-45 minutes or until a toothpick inserted into the center comes out clean. 
  5. Remove from the oven and let cool completely before frosting.

For The Frosting:

  1. In a bowl, combine the cream cheese, butter, vanilla, and peanut butter. With a handheld mixer, cream together until smooth. Then add the powdered sugar and continue to mix until smooth.
  2. Frost the cooled cake with peanut butter frosting. Top with sliced bananas and/or chopped peanuts, if desired.
  3. Cut into 16 squares and serve.

Notes

* For a non-gluten-free version, use an equal amount of regular all-purpose flour.

For Dairy-Free Cake and Frosting:

  • Replace butter with melted coconut oil or plant-based (vegan) butter
  • Replace yogurt with plant-based yogurt
  • Replace cream cheese with vegan cream cheese

Cupcakes: This recipe makes delicious cupcakes! Line 18 muffin cups with paper liners (or use a standard 12-cup muffin tin for one batch and then again to make 6 more). Mist the liners with nonstick spray. Bake at 350 degrees for 17-18 minutes. Let the cupcakes cool to room temperature before topping with the frosting.

Nutrition Information

  • Serving Size: 1 piece
  • Calories: 220
  • Fat: 9 g
  • (Sat Fat: 4 g)
  • Sodium: 372 mg
  • Carbohydrate: 30 g
  • (Fiber: 1 g
  • Sugar: 13 g)
  • Protein: 4 g
  • Cholesterol: 39 mg

Dietary

© The Real Food Dietitians
Recipe By: Ana Ankeny