INGREDIENTS
1
Egg, whole
3
Egg whites
2 cups
All-purpose flour
1 tsp
Baking powder
1/2 tsp
Baking soda
5 cups
Powdered sugar
1 pinch
Salt
1 3/4 cups
Sugar
3 tsp
Vanilla
1/2 cup
Butter, unsalted
3 sticks
Butter, unsalted
4 tbsp
Milk
1 1/4 cups
Yogurt, plain