Cut chocolate doughnut holes in half and sandwich with chocolate ice cream; freeze until firm (trim the bases, if necessary, so they sit flat). Melt 4 ounces chopped semisweet chocolate in the microwave, stirring every 30 seconds. Let cool a few minutes, then dip the tops of the ice cream sandwiches in the chocolate mixture and sprinkle with white nonpareils. Freeze at least 1 hour.
Recipe courtesy of Food Network Magazine