Learn how to make sourdough starter from scratch. A 14 minute video guides you through the simple and repetitive process. By day 6 you will have an active starter, ready to bake your first sourdough bread.
Making a sourdough starter from scratch takes a minimum of six days. You need to dedicate about 5 minutes every 24 hours for six consecutive days to raise a successful sourdough starter. Variations in temperature, flour, water temperature and the ratio of flour and water, will all have an impact, but I have found the below process to work well.