Ebo David wrote:While her technique is a bit different than the following WikiHow on Grow Your Own Yeast, it has allowed us to basically stretch one of those little yeast packets for 4 or 5 loves so far and cook some great fresh made gluten free bread.
Anne Miller wrote:This thread has a recipe for making a Sourdough Starter that does not require yeast or a commercial started. It is just flour and water. I used it when I was learning to make sourdough and I had great success with it.
This could be called using wild yeast. The thread also has a lot of suggestions on making starter or making bread.