Brush melted bittersweet chocolate on the inside of a foil cupcake liner and freeze 10 minutes. Add 2 more layers of melted chocolate, freezing after each. (You¿ll need 1 ounce of chocolate for each cup.) Peel off the liners and fill the cups with ice cream. Pipe whipped cream on top, decorate with sprinkles and return to the freezer.
Photograph by Cory Dawson