Mix well, let sit on counter 5-10 days, stir 3 x per day. When it begins to separate into creamy thick bottom and thin liquid top is ready to use in any sourdough recipe. I do have a good sour bread recipe if anyone needs it reposted... it's a killer for tang! Kylli KYLLIKKI FULLER (BHHJ17B) Reformatted by Elaine Radis