Japanese New Year's bento (Osechi). It's considered bad luck to burn yourself cooking on New Year's Day, so everything in osechi is pickled, cooked the day before, cold, or otherwise not something you heat up that day.
Classic Champagne Cocktail: 3 drops bitters, 1 sugar cube, 1 ounce Cognac 4 ounces chilled Champagne - Drop bitters onto sugar cube; let soak in. Place sugar cube in a Champagne flute. Add Cognac, and top with Champagne.