INGREDIENTS
6 cups
flour
1 tsp
baking soda
1 tsp
baking powder
1/2 tsp
salt
1 cup
unsalted butter
2 cups
granulated sugar
3
eggs
2 tsp
vanilla extract
1 1/2 cups
sour cream
1 cup
unsalted butter
1 tsp
vanilla extract
4 cups
powdered sugar
1 pinch
salt
6 tbsp
heavy cream