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