Prep – Preheat the oven to 175°C / 350°F. Line a 12-cup muffin pan with cupcake liners.
Dry ingredients – In a bowl, whisk together the flour, baking powder, baking soda, cinnamon, and salt.
190 g All-purpose flour, 1 tsp Baking powder, ½ tsp Baking soda, ½ tsp Ground cinnamon, ¼ tsp Salt
Cream butter and sugar – Beat the butter and white and brown sugar until light and fluffy, about 2 to 3 minutes.
115 g Unsalted butter, 100 g Light brown sugar, 50 g Granulated sugar
Add eggs – Add the eggs one at a time, mixing well after each addition. Add the vanilla extract.
2 large Eggs, 1 tsp Vanilla extract
Add bananas – Mix in the mashed bananas and sour cream until combined.
240 g Mashed ripe bananas, 120 g Sour cream
Combine batter – Add the flour mixture and fold gently until just combined.
Fill liners – Divide the batter evenly between the cupcake liners, filling each about ¾ full.
Bake – Bake for 18 to 22 minutes or until a skewer inserted in the center comes out clean.
Cool – Let the cupcakes cool completely before frosting.
Make frosting – Beat the cream cheese and butter until smooth. Add powdered sugar gradually, then vanilla and salt. Beat until fluffy.
225 g Cream cheese, 115 g Unsalted butter, 300 g Powdered sugar, 1 tsp Vanilla extract, pinch of Salt
Decorate – Pipe or swirl frosting onto the cupcakes and sprinkle with chopped walnuts.
The nutrition information and metric conversion are calculated automatically. I cannot guarantee its accuracy. If this data is important to you please verify with your trusted nutrition calculator. Thank you