Peanut Butter Banana Cake

You’re either a frosting person, or you aren’t.

If there’s anything truly important I’ve learned in my twenty four years of life so far – it’s that. There are people who can eat any and all frosting plain, and those who wipe frosting OFF THEIR CUPCAKES like lunatics.

Can you tell which one I am? As far as I’m concerned, cake is just an accessory for frosting.

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Of course, it helps if the cake is delicious too. But, the frosting is what takes it to another level.

This peanut butter frosting is life-altering good. I can seriously say that without one ounce of exaggeration. It’s the perfect mixture of creamy and sweet.

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I was home for the weekend, and my little sister Anna – who loves photography and just bought a camera – helped me take pictures of this cake! We experimented with different shots and colors, hence the varied backgrounds and styles.

There were LOTS of fingers dipping into the frosting while it was made. Between Anna and me, my brother, youngest sister and parents… let’s just say it was a hit. I am so glad we decided to mix it up and make a cake with those brown bananas instead of the typical bread.

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Peanut Butter Banana Cake

Via Two Peas and Their Pod


For the Banana Cake:

  • 2 cups all-purpose Gold Medal flour
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, at room temperature
  • 1 1/2 cups granulated sugar
  • 2 large eggs
  • 1 cup plain Greek yogurt
  • 1 teaspoon vanilla extract
  • 3 ripe bananas, peeled and mashed (to equal 1 cup)

For the Peanut Butter Frosting:

  • 1/2 cup unsalted butter, at room temperature
  • 1/2 cup creamy peanut butter
  • 3 cups sifted powdered sugar
  • 1/3 cup milk
  • 1 teaspoon vanilla extract


Preheat oven to 350 degrees F. Grease your pan/pans and set aside (you can do one 9×13… or, I did a 9×9 pan plus two smaller heart-shaped cakes).In a medium bowl, whisk together the flour, baking soda, and salt. Set aside.In a large bowl, cream together the butter and sugar until creamy and smooth. Beat in the eggs, then stir in the Greek yogurt and vanilla extract. Mix in the mashed bananas.Slowly add the dry ingredients and mix. Spread cake batter evenly into the prepared pan.Bake for 20 minutes, or until a toothpick inserted into the center comes out clean. Allow cake to cool completely.

To make the peanut butter frosting, beat the butter and peanut butter on high until smooth (a mixer works best for this, but you could do it by hand). Slowly add the powdered sugar, 1/4 cup at a time. Add the milk and vanilla extract in between. Beat until frosting is smooth and desired consistency.

Frost the banana cake and enjoy!


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One thought on “Peanut Butter Banana Cake

  1. Pingback: The Best Homemade Granola Recipe | PB & Pinot

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