Sourdough breads are made that has a sourdough starter. The starter cultivates yeast and lactobacilli in a mixture of flour and drinking water, using the microorganisms now current on flour; it does not have to have any additional yeast. Aside from sandy white beaches and idyllic resort daily life, consider https://food-learning-center26936.blogdun.com/32629422/5-easy-facts-about-bread-described