INGREDIENTS
1 1/4 cups
all purpose flour
1/2 tsp
baking powder
1/4 tsp
baking soda
1/4 tsp
salt
6 tbsp
unsalted butter (melted)
3/4 cup
granulated sugar
1
egg
2 tbsp
plain yogurt or sour cream
2/3 cup
milk
2 tsp
pure vanilla extract
1/2 cup
sprinkles (not nonpareils)
10 tbsp
unsalted butter (softened)
2 1/2 cups
powdered sugar (sifted)
1 tsp
pure vanilla extract
2 tbsp
heavy cream or half and half
Additional sprinkles (for decorating the cake)