Ropy yogurts are stretchy, silky, and a little dramatic. This guide covers how to culture Långfil, Viili, and Caspian Sea yogurt successfully, what destroys the texture, and how to troubleshoot when the ropes vanish. Plus, a very serious discussion about thunder.

Ever wondered why your homemade kefir tastes nothing like the stuff from the store? You are not doing anything wrong. In fact, you are probably doing everything right.