A good starter is the heart of sourdough baking. This guide will show you how to create, feed, and care for your starter one day at a time until it’s strong enough to use. How to Start a Sourdough Starter Sourdough Starter Day 2 Sourdough Starter Day 3 Sourdough Starter Day 4 Sourdough Starter Day 5 Sourdough Starter Day 6 Sourdough Starter Day 7 Sourdough Starter Day 8