Breadmaker's fungus (5)
I believe the answer is:
yeast
(Other definitions for yeast that I've seen before include "Agent for making bread" , "Fungus used to ferment sugar" , "Dough raising agent" , "Brewing agent" , "Baker's ingredient" .)
I believe the answer is:
yeast
(Other definitions for yeast that I've seen before include "Agent for making bread" , "Fungus used to ferment sugar" , "Dough raising agent" , "Brewing agent" , "Baker's ingredient" .)