INGREDIENTS
1 cup
butter, softened
1 1/2 cups
sugar
3/4 cup
sour cream
1
egg
1 tsp
vanilla
2 1/2 cups
plus 2 tablespoons flour
1/2 tsp
baking soda
1 tsp
baking powder
1/2 tsp
salt
Frosting:
1/2 cup
butter, softened
3 cups
powdered sugar
1 tsp
vanilla
salt
2 tbsp
milk or half and half
food coloring, if desired