Let's Bake

Banana Walnut Snack Cake

Yield Serves 12 1x
Prep: 60 minutesCook: 30 minutesTotal: 1 hour 30 minutes

Soft and moist Banana Cake topped with cream cheese frosting.


Banana cake

  • 210 grams (1 and 1/2 cups) plain flour or all purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1 teaspoon cinnamon
  • 115 grams (1/2 cup or 1 stick) butter, room temperature
  • 150 grams (3/4 cup) caster sugar or granulated sugar
  • 45 grams (1/4 cup) brown sugar
  • 1 teaspoon vanilla extract
  • 2 large eggs, room temperature
  • 120 ml (1/2 cup) buttermilk
  • 160 grams (2/3 cup) mashed banana, (23 overripe bananas)
  • 45 grams (1/2 cup) walnuts, roughly chopped

Cream cheese frosting

  • 60 grams (1/4 cup) butter, softened
  • 250 grams (1 and 1/4 cup) full fat cream cheese, softened, roughly chopped
  • 1 teaspoon vanilla extract
  • 435 grams (3 and 1/2 cups) icing sugar or powdered sugar, sifted
  • 90 grams (1 cup) chopped walnuts


  1. Grease and line an 8 inch square cake tin with baking or parchment paper. Preheat oven to 180 C (350 F) standard / 160 C (320 F) fan-forced.
  2. In a large bowl, add plain flour, baking soda, baking powder and cinnamon.
  3. In a separate large mixing bowl, add butter and sugars and beat with an electric mixer for a a couple of minutes until pale and creamy. Add vanilla and eggs, one at a time, beating until combined.
  4. Add dry ingredients to the butter mixture, along with buttermilk and the mashed banana. Gently fold with a spatula until just combined. Stir in walnuts. Transfer mixture to prepared pan and bake for approximately 30-35 minutes or until a skewer inserted comes out clean.
  5. To make the cream cheese frosting, add butter and cream cheese to a large mixing bowl. Beat with an electric mixer for 2-3 minutes until smooth and creamy. Add vanilla. Add sugar, 1 cup at a time, and continue to beat until smooth.
  6. Spread frosting on cake and use a small spatula to spread to the edges. Sprinkle over chopped walnuts.
Author: Jessica HolmesCategory: DessertCuisine: American
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