Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Grease and flour two 8-inch round cake pans.
- Whisk flour, baking soda, salt, and cinnamon in a medium bowl. Set aside.
- Beat butter, granulated sugar, and brown sugar until light and fluffy, about 3-4 minutes.
- Add eggs one at a time, then vanilla. Mix in mashed bananas and sour cream.
- Gradually add dry ingredients, mixing until just combined. Fold in walnuts.
- Divide batter into pans and bake 28-32 minutes until toothpick comes out clean.
- Cool in pans 10 minutes, then on wire racks completely.
- For frosting: Beat cream cheese and butter until smooth. Add powdered sugar, vanilla, and cream until fluffy.
- Frost cooled layers, garnish with walnuts, and chill before serving.
Notes
Toast walnuts for best flavor. Use very ripe bananas for moisture. Store refrigerated.