INGREDIENTS
6 cups
all-purpose flour
1 tsp
baking soda
1 tsp
baking powder
1/2 tsp
salt
1 cup
unsalted butter, at room temperature
2 cups
granulated sugar
3
eggs
2 tsp
vanilla extract
1 1/2 cups
sour cream
for the frosting:
1 cup
unsalted butter, room temperature
1 tsp
vanilla extract
4 cups
powdered sugar
salt
6 tbsp
heavy cream