Using a rubber spatula, fold in the whipped cream in 2 additions. Scrape the mousse into a bowl, cover with plastic wrap, and refrigerate until firm, at least 4 hours or overnight. Make the cake ...

Cover lightly with plastic wrap and let rise in a warm ... and drizzle the frosting over the cake. Spread it with a spatula if needed for good coverage. Slice, serve, enjoy, and see who gets ...