Vanilla Bean Cake with Browned Butter Icing

INGREDIENTS

Eggs, large

1 1/2 cups

All-purpose flour

1 tsp

Baking powder

1/2 tsp

Baking soda

1/2 cup

Brown sugar, packed light

1 cup

Confectioners' sugar

1/4 tsp

Salt

Seeds of 1 vanilla bean or 1 tablespoon vanilla bean paste or vanilla extract

1/3

Seeds of 1 vanilla bean or 1 teaspoon vanilla bean paste or vanilla extract

1 1/16 cups

Butter, unsalted

2 tbsp

Milk

1/2 cup

Sour cream