INGREDIENTS
1
Egg, large
2
Egg whites, large
1/4 tsp
Baking powder
1/3 cup
Chocolate or large chocolate chips, bittersweet or semisweet
9/16 cup
Cocoa powder, unsweetened
1/4 tsp
Salt
1 1/4 cups
Sugar
2 tsp
Vanilla extract
2/3 cup
Walnuts or pecans
4 1/2 tbsp
Butter, unsalted
8
Marshmallows, regular-size
1 cup
Less 1 tablespoon all-purpose flour