Home-Style Cooking Goes Big The compact cooker consists of a cylindrical, double-walled and tiltable vessel and an automatically operated, format-filled.lid The vessel of the Stephan Cook-It can be placed in three positions. Solid, chunky raw material is loaded via the lifting/tilting device attached to the skid in the filling/loading position. Powders, crystalline or liquid ingredients can be sucked in via feed hoppers with the aid of the Cook-It vacuum system.