INGREDIENTS
1
Egg, large
5/8 cup
All-purpose flour
12 oz
Chocolate, semisweet
1 cup
Cocoa powder, unsweetened Dutch-process
1
Confectioners' sugar
1/2 cup
Granulated sugar
3/4 tsp
Peppermint extract, pure
1/2 cup
Butter, unsalted
1/4 cup
Heavy cream