INGREDIENTS
1
Circles of key limes, half
1 1/3 tbsp
Key lime, zest
7 tbsp
Key lime, juice
3
Egg whites
1 1/2 cups
All-purpose flour
2 tsp
Baking powder
1 cup
Granulated sugar
4 cups
Powdered sugar
1/4 tsp
Salt
1 pinch
Salt
1 tsp
Vanilla
1/4 cup
Graham cracker crumbs
1 1/2 cups
Butter
1/3 cup
Sour cream
4 tbsp
Whole milk