Try this Tri-Color Cake recipe, or contribute your own.
Cut cake lengthwise into 4 equal layers. Spread chocolate ice cream on 2 layers; spread raspberry sherbet on remaining 2 layers. Stack layers on serving platter, beginning with chocolate and alternating sherbet; freeze several hours or overnight. Fold almond extract into whipped cream. Frost sides of cake with whipped cream; decorate top and bottom edges of cake with whipped cream piped through decorator tube. Return to freezer until cream is firm, at least 1 hour.