Abstract: An improved deep fat fryer having an open top vessel with a bottom formed of intersecting inwardly and downwardly inclined walls forming a V-shaped trough bottom for the vessel, first and second elongated heaters affixed to the vessel flat wall portions and spaced above the lower edge of the trough shaped vessel bottom and arranged so that cooking oil placed within the vessel is heated in the upper portion of the cooking oil but the cooking oil in the V-shaped bottom is unheated to thereby cause convection currents to flow in a manner to carry food particles into the lower V-shaped trough portion of the vessel where the cooking oil is below cooking temperature so that food placed in the vessel and remaining in the upper top portion of the cooking oil is cooked but food particles are carried into the lower portion and are not cooked, the vessel having provisions for draining away the oil having the uncooked portions therein.