I steamed my oven in my regular way, described below in my post on how to steam your house oven for baking. But You can even bake in a very pot or Dutch oven. Sourdough is the process of fermenting grains and using the pure yeasts to present your wheat https://backlink37147.newbigblog.com/34117014/how-sourdough-starter-recipe-can-save-you-time-stress-and-money