To Die For Banana Cake with Vanilla Bean Frosting

INGREDIENTS

1 1/3 cups

granulated sugar

1/4 cup

unsalted butter, softened

1 cup

sour cream

large eggs

1 1/2 cups

mashed overripe bananas (from about 3 large)

2 tsp

vanilla extract

2 cups

all-purpose flour

1 tsp

baking soda

1/2 tsp

salt

1/3 cup

unsalted butter (, softened)

1/4 cup

+ 2 Tbsp heavy cream

Seeds of 1 vanilla bean

2 1/2 cups

powdered sugar