A cooking apparatus has a circular cooking vessel, an overflow situated at an upper portion of the cooking vessel for removing water and starch or scum from a top part of the water bath in the vessel, a heater situated in the cooking vessel for maintaining the water bath at a desired predetermined temperature and a horizontal circular plate arranged on the circular cooking vessel and covering the open top thereof. The plate has a plurality of circularly distributed apertures. There is further provided a variable-speed motor connected to the circular plate for rotating it at a selected speed. A plurality of perforated cooking baskets fit into respective apertures of the plate. Each basket has a handle for manually removing the basket from and inserting it into a respective aperture; and a configuration cooperating with the plate for suspending the basket from the plate for submersion into the water bath.