Ingredients:

  • 2 ripe bananas, mashed (approx. 240g / 8.5oz)
  • 1 cup fresh strawberries, chopped (plus extra for garnish, approx. 150g / 5.3oz)
  • 2 ½ cups all-purpose flour (315g / 11.1oz)
  • 1 tablespoon baking powder (12g / 0.4oz)
  • ½ teaspoon baking soda (2.5g / 0.09oz)
  • ½ teaspoon salt (3g / 0.1oz)
  • 1 cup granulated sugar (200g / 7oz)
  • ½ cup packed brown sugar (100g / 3.5oz)
  • ½ cup unsalted butter, softened (113g / 4oz)
  • ½ cup vegetable oil (120ml / 4 fl oz) - or another ½ cup softened butter (113g / 4oz)
  • 3 large eggs
  • 1 teaspoon vanilla extract (5ml / 0.17 fl oz)
  • 1 cup buttermilk (240ml / 8 fl oz) - or 1 cup milk (240ml / 8 fl oz) + 1 tablespoon lemon juice (15ml / 0.5 fl oz), let sit for 5 minutes
  • 8 oz cream cheese, softened (226g / 8oz)
  • ½ cup unsalted butter, softened (113g / 4oz)
  • 3–4 cups powdered sugar (360-480g / 12.7-16.9oz)
  • 1 teaspoon vanilla extract (5ml / 0.17 fl oz)
  • 1–2 tablespoons heavy cream or milk (15-30ml / 0.5-1 fl oz), as needed

Instructions:

  1. Preheat oven to 350°F (175°C). Grease and flour baking pan(s).
  2. Mash bananas. Chop strawberries and lightly toss with 1 tablespoon of flour.
  3. Whisk together flour, baking powder, baking soda, and salt in a medium bowl.
  4. In a large bowl, cream butter, oil (or butter), and both sugars until light and fluffy.
  5. Add eggs one at a time, mixing well after each addition. Stir in vanilla and mashed bananas.
  6. Gradually add the dry ingredients to the wet ingredients, alternating with the buttermilk, beginning and ending with the dry ingredients. Mix until just combined - don't overmix.
  7. Gently fold in the chopped strawberries.
  8. Pour batter into the prepared pan(s). Bake for 35-40 minutes, or until a toothpick inserted into the center comes out clean.
  9. Let the cake cool in the pan(s) for 10 minutes, then transfer to a wire rack to cool completely before frosting.
  10. Beat cream cheese and butter until smooth and creamy. Gradually add powdered sugar, then vanilla and cream/milk, until desired consistency is reached.
  11. Spread frosting evenly over the cooled cake. Garnish with fresh strawberry slices or banana chips, if desired.