INGREDIENTS
1
Egg, large
1 3/4 cups
All-purpose flour
1/2 tsp
Baking soda
1 1/8 cups
Cocoa powder
3 cups
Confectioners' sugar
1/4 tsp
Peppermint extract
1/2 tsp
Salt
1 cup
Sugar
1 3/4 tsp
Vanilla, pure
7/8 cup
Butter, unsalted
7/8 cup
Milk
30
Peppermint swirl marshmallows