From TNG
Duchess potatoes consist of a purée of mashed potato, egg yolk, and butter, which is forced from a piping bag or hand-molded into various shapes which are then baked in a high-temperature oven until golden.
Duchess potatoes consist of a purée of mashed potato, egg yolk, and butter, which is forced from a piping bag or hand-molded into various shapes which are then baked in a high-temperature oven until golden.