INGREDIENTS
1
Egg
2
Egg whites
3/4 cup
All purpose flour
1/4 tsp
Baking powder
1/2 tsp
Baking soda
1/4 cup
Cocoa powder
1/4 tsp
Cream of tartar
49 1/2 tsp
Granulated sugar
1/4 tsp
Salt
1 1/2 tsp
Vanilla
1 cup
Graham cracker crumbs
1/4 cup
Coffee
6 tbsp
Butter, unsalted
1/4 cup
Sour cream