You can create your own sourdough just from wheat and water. Takes a few days till you have the first real dough, but from that on, you can keep the sourdough a

You can create your own sourdough just from wheat and water. Takes a few days till you have the first real dough, but from that on, you can keep the sourdough alive. There are plenty of YouTube videos about creating/using sourdough. With sourdough you make the best breads and don't need any yeast. (sourdough itself contains yeast)