INGREDIENTS
3
lbs Strawberries
7
Egg whites, large
7
Eggs, large
2 1/4 tsp
Baking powder
2 1/4 cups
Cake flour
1
Confectioners' sugar
1/2 tsp
Cream of tartar
3 1/4 cups
Granulated sugar
1 tsp
Kosher salt
3 tsp
Vanilla, pure
1
Vegetable-oil cooking spray
5 sticks
Butter, unsalted
2/3 cup
Whole milk