Beat egg whites with cream ... until dry. Melt chocolate chips in double boiler. Beat ... with meringues and mousse, topping and frosting sides with mousse. Refrigerate.
Melt chips and butter in ... and fold into chocolate mixture. Mix well. Beat egg ... frosting cake with Mousse Cake Topping (see below). To ... topping. Return to freezer.
Prepare cake mix according to ... and cool. Prepare Mousse: Mix sugar, cornstarch, gelatin ... nuts and small chocolate chips, if desired. (Or use chocolate curls.)