INGREDIENTS
2 1/2 cups
all-purpose flour
1/2 tsp
baking powder
1/2 tsp
salt
1/2 cup
unsalted butter, softened
1 cup
sugar
1
egg
1 tsp
vanilla extract
1/2 cup
unsalted butter, softened
3 3/4 cups
powdered sugar
3 tbsp
milk
2 tsp
vanilla extract
Food coloring, if desired
Sprinkles, if desired