Cooking of French fried potatoes by facilitating a generally vertical arrangement of potato strips while in the frying operation is disclosed wherein the slices may be cooked within a very deep pack while oil is urged to flow upwardly through the pack and steam entrapment within the cooking slice pack is minimized. A conveyor belt carrying the slices through the cooker has a multiplicity of openings facilitating oil flow there through and the cooker is configured to permit oil discharge for reheating purposes both laterally and longitudinally of the processing path.
