
Sourdough Starter Recipe
Ingredients
- 300 gall-purpose flour
- 400 gwhole-grain rye flour
- 800 gwater
Directions
- 1
Day OneTo a clean jar, add 100g whole rye flour and 125g warm water. Mix ingredients and keep somewhere warm for 24 hours.
- 2
Day TwoTo clean jar, add 75g of the mixture from Day One (discard the rest), 50g whole rye flour, 50g all-purpose flour, and 115g water. Mix ingredients and keep somewhere warm for 24 hours.
- 3
Day ThreeTo a clean jar, add 75g of the mixture from Day Two (discard the rest), 50g whole rye flour, 50g all-purpose flour, and 115g water. Mix ingredients and keep somewhere warm for 24 hours.
- 4
Day FourOn day four, you will give the mixture two feedings. In a clean jar, add 75g of the mixture from Day Three (discard the rest), 50g whole rye flour, 50g all-purpose flour, and 115g water. Mix and let rest for 12 hours. In the evening, after 12 hours, repeat the discarding and feeding you did in the morning. Let the mixture rest overnight.
- 5
Day Five and SixFor days five and six, continue to discard down the jar contents and then feed with the same ratio of ingredients as Day Four, twice a day. You can use the same jar for these feedings.
- 6
Day Seven and OnwardIn the morning on Day Seven, discard the jar’s contents down to 20g of the mixture and add 30g whole rye flour, 70g all-purpose flour, and 100g water. Repeat this feeding twice a day, once in the morning and once in the evening, indefinitely.

Sourdough Starter Recipe
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About this Recipe
Dreaming of baking your own artisanal sourdough bread at home? It all begins with a vibrant, active sourdough starter, and this simple, seven-step guide will show you how to cultivate your very own 'mother' from scratch.
Why This Recipe Works
This method focuses on nurturing your 'chef' with a blend of all-purpose flour and whole-grain rye flour, providing the ideal environment for wild yeasts to flourish. The combination of these flours helps create a robust microbial community, ensuring your starter establishes quickly and healthily. Within 5 to 7 days, you'll have a consistently active starter ready to bring your sourdough baking dreams to life.
What to Expect
Expect a journey of observing daily changes as your starter, sometimes affectionately called your 'mum', gradually comes to life. You'll see tiny bubbles appear, indicating the natural fermentation taking hold, leading to a consistently active and aromatic culture. The process requires a bit of daily attention and observation, but the reward is a living ingredient that will unlock endless possibilities in your kitchen. This naturally leavened foundation is the cornerstone of great bread.
Customization & Variations
While this recipe provides a specific foundation using both all-purpose and whole-grain rye flours, the beauty of a sourdough starter is its adaptability. As you learn its rhythms and how it reacts to its environment, you might explore maintaining it with different organic flour types. This can subtly influence the flavor profile and activity of your starter, adding another layer of depth to your future bakes.
Serving & Context
Once your starter is showing consistent signs of fermentation each day—typically after 5 to 7 days—it's ready to be the leavening agent for all your favorite sourdough breads, from rustic loaves and crusty baguettes to fluffy focaccia and tangy pancakes. Its lively activity is your signal to start baking!







