Chocolate Banana Sheet Cake

What a delightful, easy cake this is! I was craving cake at the lake house yesterday and had perfectly ripe bananas so I decided to try out my favorite banana sheet cake with my favorite chocolate frosting and it was positively magical.

Chocolate Banana Sheet Cake

Chocolate Banana Sheet Cake

Chocolate Banana Sheet Cake

The cake is a one-bowl recipe, perfect for lazy day baking. It’s really not overly sweet or overly decadent, so you could have a slice in the afternoon with coffee.

Chocolate Banana Sheet Cake

Chocolate Banana Sheet Cake

For the Banana Cake:
2/3 cup butter, at room temperature
1 2/3 cup granulated sugar
2/3 cup buttermilk

1 1/4 cups mashed bananas, (about 2.5 medium bananas)
3 eggs
1/2 tsp vanilla extract

2 1/3 cup all-purpose flour
1 1/4 tsp baking soda
1 1/4 tsp baking powder
3/4 tsp salt
1/2 tsp cinnamon
2/3 cup pecans, chopped

For the Dark Chocolate Frosting:
6 Tbsp unsalted buter, softened
2 2/3 cups powdered sugar
1/2 cup dark cocoa powder
1/3 cup milk
1 tsp vanilla extract

To bake the cake: 

  1. Preheat oven to 350 degrees. Grease and flour a 9×13″ pan.
  2. Beat softened butter with sugar until combined. Mix in buttermilk and mashed bananas. Add eggs, one at a time, and vanilla extract. Gently mix in flour, baking soda, baking powder, salt, and cinnamon. Stir in pecans.
  3. Pour batter into prepared pan and bake for 35-45 minutes, or until a toothpick inserted in the center comes out clean. Cool completely (about an hour) in the pan, then frost with dark chocolate frosting.

To make the frosting:

  1. Beat softened butter. Sift powdered sugar and cocoa powder together. Beat in powder sugar and cocoa powder alternately with milk until smooth. Add vanilla and beat well.

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Chocolate Banana Sheet Cake

Happy baking,

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