Sake Kasu Buttermilk Bread
When I went to the local sake distillery to get more Koji rice for my various fermentation projects using aspergillus oryzae I noticed that they also sold sake kasu. For those unfamiliar sake kasu are the lees remaining after sake production. The Japanese do not like to waste useable food products so sake kasu can be used to make many things. In fact, I used the sake kasu in
Source: thefreshloaf.com