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Best Banana Cake for a Crowd

This is absolutely the best banana cake I've ever tasted! It's easy to make, moist and dreamy with a browned butter frosting and because it's a sheet cake, it will serve a crowd easily!

Banana Sheet Cake in pan and on plate

Easy to make Browned Butter Frosting in pan on stove

This time of year I'm sort of chocolate-d out, if that's even possible, so I wanted to make a dessert that reminded me of summer.  

If you love yummy banana desserts this banana sheet cake is a must-try!

It's not hard to make, it's moist, tastes delicious and will serve a crowd  which makes it perfect for pot lucks or dinner parties.

I was a little worried about making the Browned Butter Frosting since I had never made it before but it was super easy and I made a video so you can see for yourself.

Banana Sheet Cake with Browned Butter Frosting cut in squares on serving tray with milk

Banana Sheet Cake with Browned Butter Frosting

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Cake Ingredients

  • 1 ½ cups sugar
  • 1 cup sour cream
  • ½ cup butter softened
  • 2 eggs
  • 1 ¾ cups 3 or 4 ripe bananas, mashed
  • 2 teaspoons vanilla
  • 2 cups flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt

Frosting Ingredients


Cake Directions

  • Heat oven to 375 degrees.
  • Grease and flour 10x15 jelly roll pan.
  • Beat first four ingredients with mixer until creamy.
  • Blend in bananas and vanilla on medium speed for one minute.
  • Add dry ingredients and blend one minute.
  • Spread in pan.
  • Bake 20 to 25 minutes until golden brown.
  • Cool and frost immediately with Browned Butter Frosting.
  • Cut into squares and serve.

Frosting Directions

  • Heat butter in saucepan over medium heat past the melting point until it is boiling and light brown.
  • Remove from the heat and immediately add the remaining ingredients. This should be thicker than a glaze, and thinner than frosting.
  • Smooth over the top of the banana sheet cake immediately.
  • Serve!
Author: Mary Beth
Banana Sheet Cake with Browned Butter Frosting in pan being cut into squares

So what are your favorite banana recipes? I would love to hear about them!

Banana Sheet Cake cut into squares

Browned Butter Frosting Video

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