INGREDIENTS
1/2 cup
Butter, Softened
3/4 cup
White Sugar
1
Egg, and 1 Egg Yolk
2 tsp
Vanilla Extract
1 1/2 cups
All Purpose Flour
1/4 tsp
Salt
1 tsp
baking powder
1/2 tsp
baking soda
1
and ½ teaspoons cornstarch
1 cup
White Chocolate Chips
1/2 cup
rainbow sprinkles
3/4 cup
Butter,Softened
2
and ¼ Cups Confectioners' Sugar
3 tbsp
Milk
1 tsp
Vanilla Extract
Salt,