6 February 2020 Soy Tempeh Posted on February 6, 2020 by Durgan 6 February 2020 Soy Tempeh 6 February 2020 Soy Tempeh A Soy tempeh fermented 48 hours. Pictures are after the fermentation.Each cake is jut under a pound and the cake is cut into 9 pieces between 40 and 50 grams, which is a block serving for breakfast. It is eaten as is. Notice how the mycelium has permeated the beans so they are hardly distinguishable.