How to Make a Sourdough Starter

• Ready in 8–21 days

A basic sourdough starter can be made with any wheat or rye flour – it doesn’t have to be fancy or expensive. I find wholegrain, organic flour is best as you are trying to harness the natural organisms present on the grain, so the more the better, although it isn’t absolutely necessary. Tap water is perfectly fine for sourdough starters and doughs – you can use very slightly warm water if the w