100 percent sourdough bread recipe 1 to 1 flour to water ratio guide

100% Hydration Sourdough Bread Recipe: 1-1 Flour to Water Ratio

100% hydration sourdough bread, a treasure in the world of artisan bread-making, represents a unique approach where the weight of water in the dough is precisely equal to the weight of flour. This ratio results in a dough that is notably wet and sticky, presenting a challenge to bakers but also an opportunity to create something extraordinary. The high hydration leads to a bread that boasts a distinctly open, airy crumb and a delightfully crisp, richly flavored crust. This type of bread is not just food; it’s a testament to the art of baking, offering a sensory experience that is both rustic and sophisticated.

The Bread-Making Process

The journey of making this bread begins with a mature 100% hydration starter, a testament to the patience and care of the baker. In this process, flour and water are mixed in equal parts by weight, initiating an autolyze period that allows the flour to fully absorb the water, making the gluten network more extensible. Following this, the starter and salt are gently folded into the mixture. The bulk fermentation stage is where the magic truly happens. Here, the dough undergoes a series of stretch-and-fold techniques, not just developing the gluten structure but also enhancing the flavor complexity of the bread. The dough is then shaped with a delicate touch to retain the gas bubbles and the intricate structure that has formed. Proofing often takes a slower route, usually in a refrigerator, which not only makes the dough more manageable but also contributes to a deeper, more mature flavor. The final act of baking in a high-heat environment with steam is what gifts the bread its signature crispy crust.

Flavor and Texture: The Unmatched Benefits

100% hydration sourdough bread is not just about the technique; it’s a celebration of flavors and textures. The high water content in the dough catalyzes a more intricate and complex fermentation process, which imparts a depth of flavor that is both rich and nuanced. Every bite of this bread offers a symphony of tastes, reflecting the quality of the ingredients and the care in the fermentation process. The texture is a marvel in itself, characterized by a tender, moist crumb interspersed with large, irregular holes that are the hallmark of top-tier artisan breads. This bread doesn’t just cater to the palate; it’s a visual and tactile pleasure as well.

Step-by-Step Recipe and Ingredients


  • Flour: 500g (high-quality all-purpose bread flour)
  • Water: 500g (lukewarm and no tap water with chlorine)
  • Sourdough Starter: 150g (100% hydration levels)
  • Salt: 10g (Celtic or Himalayan salt)


  1. Mixing: Combine 500g of flour with 500g of water. Mix until just combined and let it rest for 30 minutes for autolyse.
  2. Adding Starter and Salt: Gently fold in 150g of sourdough starter and 10g of salt into the dough.
  3. Bulk Fermentation: Perform stretch-and-fold techniques every 30 minutes for about 3-4 hours.
  4. Shaping: Shape the dough gently to form a boule or batard, being careful to retain the air bubbles.
  5. Proofing: Proof the shaped dough in a floured banneton or a bowl covered with a cloth, typically overnight in the refrigerator.
  6. Baking: Preheat your oven with a baking stone or Dutch oven inside to 230°C (450°F). Transfer the dough to the hot baking stone or Dutch oven, and bake with steam for about 40-50 minutes until the crust is deeply caramelized.

The Art and Joy of Baking 100% Hydration Sourdough

For the passionate members of The Sourdough People community and artisan bread lovers worldwide, mastering 100% hydration sourdough bread represents a significant achievement. It’s a process that symbolizes the apex of baking skill, where simple, elemental ingredients are transformed into a sublime culinary creation. This bread is more than just a staple; it’s a narrative of patience, precision, and passion. Whether you’re a seasoned artisan or a newcomer to the world of sourdough, the journey of creating 100% hydration sourdough bread is filled with learning, excitement, and the ultimate reward – a loaf of bread that is as delicious as it is beautiful. The experience of baking and sharing this bread is both a personal triumph and a communal joy, epitomizing the spirit and artistry of sourdough baking.

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