INGREDIENTS
1/2 cup
unsalted butter (softened)
3/4 cup
granulated sugar
3/4 cup
sour cream (room temperature)
1
large egg
1/2 tsp
baking soda
1/2 tsp
baking powder
1/2 tsp
salt
1 tsp
vanilla extract
2 1/3 cups
all purpose flour
1/2 cup
unsalted butter (softened)
2 cups
powdered sugar
1 tsp
vanilla extract
1/4 tsp
salt
1 tbsp
milk
Food coloring (if desired)
Sprinkles