PROBLEM TO BE SOLVED: To provide a food and drink processing apparatus with the energy use efficiency improved further.SOLUTION: A food and drink processing apparatus 1 includes a heating portion 2 for heating food and drink, a compressor 3 which supplies steam for heating food and drink to the heating portion 2, a pressure reduction valve 4 which generates flash steam by pressure-reducing a part of drain water discharged from the heating portion 2 and a cooling portion 5 which cools the food and drink heated by the heating portion 2 by means of the flash steam.
