High temperature food processing method is disclosed, wherein food production line (30 is arranged in parallel in the first finals (13) and the second finals (23) by alternately working, 40, 50), it can be with continuous process, but significantly decrease total downtime processing line (30, 40, 50), processing finals (13 is cleaned by executing fixation, 23) the high temperature food processing method being currently not used by, the processing line (30 is influenced to eliminate or significantly decrease, 40, 50) downtime, by being easiest to pollute to process component and/or process equipment.