INGREDIENTS
1 cup
softened unsalted butter
1 cup
sugar
1
large egg
1 tsp
vanilla extract
3 cups
all purpose flour
1 tsp
baking powder
1/2 tsp
salt
additional flour for rolling
8 cups
powdered sugar
6 tbsp
meringue powder
2 tsp
vanilla extract
12 tbsp
warm water
more water to thin the icing
gel food coloring in the desired color