Ice Cream Bombe

1 quart vanilla ice cream, softened
1 pkg(6 oz)semisweet chocolate morsels
1 tbs sugar
3 egg whites
2 tsp vanilla extract
1/2 cup chipping cream, whipped
garnishes:semisweet chocolate shavings, red maraschino cherries, fresh mint sprigs

Line a 5 cup mold with plastic wrap, spread ice cream evenly on bottom and sides of mold, and freeze 1 hour. Combine chocolate morsels and sugar in a 1qt mixing bowl, microwave at medium 3-3 1/2 minutes or until chocolate melts, stirring once. Beat egg whites(at room temperature)and vanilla until stiff peaks form. Gradually stir about 1/4 of chocolate mixture into egg whites, fold into remaining chocolate mixture. Fold in whipped cream. Spoon mixture into center of mold, cover and freeze until firm. To serve, let mold stand at room temperature about 10 minutes, invert onto a chilled serving plate. Remove plastic wrap, garnish with chocolate shavings, if desired. Return bombe to freezer until ready to serve. Garnish, if desired. Serves 8.