INGREDIENTS
Cooking spray
1/4 cup
butter or stick margarine
32
(about 3 ounces) creamy, small-size mints in pure chocolate (such as Junior Mints)
1 cup
all-purpose flour
1/4 tsp
baking soda
1/8 tsp
salt
2/3 cup
sugar
1/3 cup
unsweetened cocoa
1
large egg
1
large egg white