INGREDIENTS
1
Lemon, Juice of
1
Egg
2
Egg whites, large
2 tsp
Lemon juice, fresh
2 3/4 cups
All-purpose flour
1 1/2 tsp
Baking powder
1
Food coloring
3 cups
Powdered sugar
3/4 cup
Sugar
1/3 cup
Vegetable shortening
1/2 cup
Butter, unsalted
1/3 cup
Sour cream, full fat