A steam cooker having a lower part, which has raised side walls, wherein the sides walls include two long and two short sides, and which has handles attached to the opposite long side walls so as to be diametrically offset relative to each other, and including a lid, which has a frame, a lid body, a lid handle, and a plurality of openings for pressure equalization, and at least one steam cooking insert to be inserted into the lower part, wherein the steam cooking insert is provided with through-holes for steam to flow through and with handles arranged at an offset.