INGREDIENTS
1 tsp
Lemon, zest
1
Lemon (about 2 teaspoons), Zest of
2
Egg whites, large
1 tbsp
Lemon juice, fresh
1 tsp
Lemon juice
1 1/2 tsp
Baking powder
1 3/4 cups
Cake flour
4 cups
Confectioners sugar
1 cup
Granulated sugar
1/4 tsp
Salt
1 stick
Butter, unsalted
2 sticks
Butter, unsalted very soft
2 tbsp
Heavy cream
1/2 cup
Milk
1/2 cup
Sour cream