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A moist gluten free banana cake slice with cream cheese frosting and chopped walnuts on top. The slightly crumbly texture and casual frosting swirls create a warm, homemade feel.

gluten free banana cake

5 from 1 vote
A moist, naturally sweet gluten-free banana cake with creamy vanilla frosting. Perfect as a snack, dessert, or celebration treat no one will ever guess it’s gluten-free!
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Prep Time 15 minutes
Cook Time 25 minutes
Cooling Time 20 minutes
Total Time 1 hour
Servings: 12
Course: Dessert, Snack
Cuisine: American, Gluten-Free Baking
Calories: 280
Ingredients Equipment Method Notes

Ingredients
  

  • 1 ½ cups Gluten-free all-purpose flour With xanthan gum
  • ½ cup Almond flour Adds moisture
  • ¼ cup Tapioca starch Lightens texture
  • 1 teaspoon Baking powder
  • ½ teaspoon Baking soda
  • ½ teaspoon Salt
  • 1 teaspoon Cinnamon Optional
  • 3 large Bananas Ripe mashed
  • ½ cup Butter Melted or coconut oil
  • ½ cup Brown sugar Packed
  • ¼ cup Granulated sugar
  • 2 large Eggs Room temperature
  • ¼ cup Sour cream Or Greek yogurt
  • 2 teaspoon Vanilla extract
Frosting:
  • 8 oz Cream cheese Softened
  • ¼ cup Butter Softened
  • 1 ½ cups Powdered sugar Sifted
  • 1 teaspoon Vanilla extract
  • ⅛ teaspoon Salt Balances sweetness
  • ½ cup Chopped walnuts Optional for topping

Equipment

  • 1 9x13 baking pan Or two 8-inch round pans
  • 2 Mixing bowls One for wet, one for dry ingredients
  • 1 Whisk For mixing ingredients
  • 1 Rubber spatula For folding batter
  • 1 Electric mixer Optional, for smoother batter
  • 1 Measuring cups Standard dry and liquid
  • 1 Measuring spoons For precise ingredient amounts
  • 1 Cooling rack For proper cake cooling

Method
 

  1. Preheat to 350°F and grease pan.
  2. Mash bananas, bring eggs and butter to room temp.
  3. Whisk gluten-free flour, almond flour, baking powder, salt, and cinnamon.
  4. Beat butter, sugars, eggs, vanilla, and sour cream.
  5. Fold dry ingredients into wet, then mix until just combined.
  6. Pour into pan, smooth top, and bake for 30-35 minutes.
  7. Let cool in pan for 10 minutes, then transfer to a rack.
  8. Beat cream cheese, butter, powdered sugar, vanilla, and salt.
  9. Spread frosting evenly once the cake is completely c

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.