Currently, ‘‘spent yeast’’ has a low value and is used as a protein supplement in animal feed The brewing industry is a ready bulk source of ‘‘spent yeast’’ which could beused to digest food waste at minimal cost. In using yeast to break down food wastes the incubations can be run at higher tempera tures than used in brewing to maximize the digestion ratebecause the ‘‘flavor’’ of the product is not relevant in the case ofusing yeast to break down food waste