INGREDIENTS
1 cup
butter
3/4 cup
vegetable oil
1 3/4 cups
sugar
3/4 cup
powdered sugar
3 tbsp
water
2
eggs
1 tbsp
vanilla
5 1/2 cups
flour
1 cup
cocoa powder
1/2 tsp
baking soda
3/4 tsp
cream of tartar
1 tsp
salt
1 cup
butter
4 cups
powdered sugar
1 tsp
mint extract
4
food coloring