Chocolate Ganache Banana Cake

A simple banana sheet cake is easy to whip up, but seems so elegant when topped with a silky chocolate ganache.

Chocolate Ganache Banana Cake

What do you guys think about sheet cakes? They aren’t as popular as the round cakes but if you ask me to feed a crowd of 20 people, I would always make a sheet cake. First of all, they are so easy to make and then it’s so easy to slice and serve them. Whether it’s a birthday party or potluck or any get together, sheet cakes are the way to go.

I keep sharing these banana muffin recipes on my blog all the time. So this time when I had ripe bananas at home, I thought to change things a bit and make this sheet cake in stead.

Chocolate Ganache Banana Cake

You can make the cake a day in advance. Let it cool down and then wrap the cake tightly using a cling sheet. You can then keep it at room temperature or in the refrigerator overnight. Next morning, prepare the ganache, pour it over the cake and serve.

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Chocolate Ganache Banana Cake
Prep Time
Cook Time
Total Time
A simple banana sheet cake is easy to whip up, but seems so elegant when topped with a silky chocolate ganache.
Recipe Type: Dessert, Baking
Serves: 10 servings
Dry Ingredients
  • 2 cups all purpose flour
  • 1.5 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1 teaspoon cinnamon powder
Wet ingredients
  • ½ cup unsalted butter, at room temperature
  • 1 cup granulated white sugar
  • 2 teaspoons vanilla extract
  • 3 large eggs, at room temperature
  • ½ cup greek yogurt
  • ¼ cup milk, I used 2%
  • 1 cup mashed banana, from 3-4 bananas
Chocolate Ganache
  • 8 oz semi-sweet chocolate chips
  • ½ cup heavy cream
  • 1 teaspoon instant coffee
  • 1 teaspoon unsalted butter
  • ½ cup chopped pecans, for garnishing
  1. Preheat oven to 350 F degrees.
  2. Line a 13x9 inch pan with parchment paper and set aside.
  3. In a bowl whisk together all purpose flour, salt, cinnamon powder, baking powder and baking soda. Set aside.
  4. Using the paddle attachment of your stand mixer or using your hand mixer, beat butter and sugar till creamy.
  5. Add the vanilla extract and mix. Add eggs, one at a time and mix till well combined.
  6. Now add the mashed bananas and mix till combined.
  7. Then add the flour mix in parts. Add it in 3 parts. Add greek yogurt and milk alternatively with the flour.
  8. Mix till everything is combined but do not overmix.
  9. Pour the batter into the prepared 13 x 9 inch pan.
  10. Bake at 350 F degrees for 30-35 minutes or till a toothpick inserted in the center comes out clean.
  11. Take the cake out of the oven and after 5 minutes flip on to the wire rack. Peel the parchment paper and let it cool completely.

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