INGREDIENTS
1 cup
butter
3/4 cup
butter flavor shortening
1 cup
sugar
1 cup
powdered sugar
2
eggs
1/2 Teaspoon
baking soda
1/2 Teaspoon
cream of tartar
1 Teaspoon
salt
5 1/2 cups
flour
1/2 cup
unsalted butter
3/4 cup
sour cream
5 cups
powdered sugar
1 serving
food coloring