1, firstly, mix the mash and water well.
2, add 400 grams of flour and stir into the batter.
3, keep warm about 30 degrees fermentation can be, summer room temperature fermentation can be.
Winter room temperature fermentation will be very slow, but still can be room temperature fermentation, just the timing needs more than ten hours. Mash is a natural yeast extract, it is not only rich in nutrients, more valuable, it is rich in vitamins and minerals.