INGREDIENTS
1
- box white cake mix (prepared according to package instructions (For me, this included 1 c. water, 1/4 c. vegetable oil, and 3 egg whites))
green food coloring (I used Americolor Gel Paste in Leaf Green)
1 cup
butter (softened)
3 1/2 cups
powdered sugar
2 tsp
vanilla
1 tbsp
milk or water