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A 75 percent hydration sourdough bread delivers that perfect balance between structure and openness—crispy Dutch oven crust, airy crumb, and a tangy flavor that develops over time. This recipe transforms simple flour, water, and salt into artisanal bread with a technique that’s approachable yet yields professional results.
The key lies in the hydration level, which creates a softer dough that requires patience during fermentation but rewards you with an open, inviting crumb.
Unlike higher hydration doughs that can feel slippery or lower hydration doughs that stay dense, 75 percent hydration strikes the ideal middle ground—easy to handle yet capable of developing complex flavor and texture.
We’ll cover every step, from building your starter (if needed) to scoring that golden crust, ensuring you achieve a loaf with a crisp exterior and an open, airy interior that’s impossible to resist.
The process may take time, but the payoff is worth it: a loaf with a crust that crackles when you tap it and a crumb so open it practically melts in your mouth.
Whether you’re a beginner or refining your skills, this method builds confidence with clear guidance and troubleshooting for common pitfalls like dense crumb or weak structure.
Ready to bake a loaf that rivals your favorite bakery? Let’s get started with the foundational steps—starter prep, dough mixing, and the art of fermentation—that will transform your kitchen into a bread-making studio.
Ingredients for 75 hydration sourdough bread
Four flours, precise hydration, and Dutch oven magic—this is your sourdough game-changer.
| Ingredient | Amount | Notes |
|---|---|---|
| Active Sourdough Starter 🍞 | ½ cup | 100% hydration, bubbly and active |
| All-Purpose Flour 🌾 | 3 cups | Plus 1 tbsp for dusting |
| Bread Flour 🌾 | 1 cup | For better gluten structure |
| Unbleached All-Purpose Flour 🌾 | ½ cup | For softer crumb texture |
| Granulated Sugar 🍚 | ½ tsp | Enhances fermentation |
| Diamond Crystal Kosher Salt 🧂 | 1 ½ tsp | Adjusts to 2% dough weight |
| Lukewarm Water 💧 | 1 ½ cups | 95-100°F for ideal fermentation |
| Dutch Oven 🔥 | 1 whole | Cast iron preferred for crust |
| Cornmeal or Rice Flour 🌾 | ¼ cup | For dusting parchment paper |
| Ice Cubes ❄️ | ¼ cup | For steam during baking |
| Lame or Razor Blade ✂️ | 1 whole | For scoring crust |
The flour blend here is non-negotiable for that perfect balance. King Arthur or Bob’s Red Mill bread flour gives the structure, while the unbleached variety adds tenderness. Whole Foods bulk bins are great for cost-effective shopping—just weigh the flours precisely. Your starter needs to be lively (bubbly and doubled in 4-6 hours) or this won’t work. If yours is sluggish, feed it 1:1:1 (starter:flour:water) twice daily for 24 hours before baking. The Dutch oven? A cast iron one from Lodge is ideal—preheat it empty in the oven for 30 minutes before adding dough.
No bread flour? All-purpose plus 1 tsp vital wheat gluten mimics the effect. Starter too weak? Add 1 extra tbsp active starter to the dough. The ice cubes create steam for that bakery-style crust—don’t skip this. For scoring, a lamé works best, but a razor blade (sterilized!) does the job. The dough should feel soft but not sticky—if it’s too wet, add 1 tbsp more flour. If too dry, add 1 tsp water. The sugar? It’s optional but helps with browning and fermentation speed. The salt? Measure carefully—too much kills yeast, too little weakens flavor.
This dough needs 12-18 hours of cold fermentation in the fridge for maximum flavor. Shape it into a batard or boule, place in a floured proofing basket lined with a floured towel, then cover with plastic wrap. The next morning, bake immediately after preheating the Dutch oven. Leftovers? Toast within 2 days—the crust loses its crunch after that. Store wrapped at room temp for 3 days max—sourdough stales faster than commercial bread. Freeze slices for up to 3 months—just reheat in a toaster or oven until crisp.
Why You'll Love This Recipe
- No-Knead Magic: I swear by this—just toss in your starter, mix the wet dough with the bread flour, and let the science handle it. No punishing kneads, no guessing if you’ve overworked it. The high hydration (75%) makes the dough stretchy but manageable, even for beginners.
- Tangy Sweet Crust: That little pinch of sugar caramelizes into a golden, crisp shell while the tangy starter keeps the crumb light and airy. Honestly? It’s the kind of bread that makes toast taste like a bakery secret—no fancy ingredients, just pure flavor.
- Weeknight Workhorse: I bake a batch every Sunday and it lasts me all week: toast for breakfasts, sandwiches for lunches, and even croutons for salads. The mix of all-purpose and bread flour gives it just enough structure to hold up to whatever you throw at it.
- Budget-Friendly Staple: Using mostly pantry staples (plus your starter) means this bread costs pennies per slice. Between us, I’ve made 12 loaves in a month and still have flour left over—no wasted dough, no sad day-old scraps. Just reliable, delicious bread.
Step-by-step instructions for 75 percent hydration sourdough bread
Here's how to craft an open crumb, crusty masterpiece with perfect hydration balance.
Mix and Autolyse for Optimal Gluten Development
In a large mixing bowl, combine the 0.5 cup active sourdough starter with the 3 cups all-purpose flour and 1 cup bread flour. Add the 1.5 cups lukewarm water and the 0.5 tsp granulated sugar, then mix until just combined—no dry bits should remain. This initial mix creates the autolyse, which helps develop gluten more efficiently.
Cover the bowl with a damp kitchen towel and let it rest for 30 minutes. You'll notice the dough becomes smoother and more cohesive during this time. The autolyse also helps hydrate the flour properly, setting the stage for better oven spring later. I like to give it a gentle stretch and fold after 20 minutes to see how the gluten is forming—it should feel slightly elastic but still manageable.
Add Salt and Perform Initial Stretch and Folds
After the autolyse, sprinkle the 1.5 tsp diamond crystal kosher salt evenly over the dough. Using your hands, gently work the salt into the dough until fully incorporated. Now comes the critical stretch and fold sequence: wet your hands slightly, grab one side of the dough, stretch it upward, and fold it over itself. Rotate the bowl 90 degrees and repeat this process three more times, completing a total of four sets.
Perform these stretch and folds every 30 minutes for 2 hours. This builds strong gluten structure while maintaining the open crumb we're after. After each set, cover the bowl and let the dough rest until the next fold. You'll notice the dough becomes more resistant and slightly firmer with each session, which is exactly what we want for that signature open crumb.
Bulk Fermentation with Strategic Folding
After the initial stretch and folds, let the dough rest uncovered for 30 minutes to relax. Then perform another set of four stretch and folds, followed by a 2-hour bulk fermentation at room temperature (70-75°F). The dough should nearly double in size and develop visible bubbles on the surface. If your kitchen is cooler, you may need to extend this to 2.5 hours—just watch for when the dough has increased by about 50-75% of its original volume.
During this final bulk fermentation, the dough should feel light and airy when poked gently with your finger. If it springs back slowly, it's ready. If it springs back quickly, give it another 30 minutes. The goal is to develop enough gas for good oven spring without overproofing, which would collapse that beautiful open crumb structure we're working toward.
Pre-Shape, Bench Rest, and Final Shape
Lightly dust your work surface with 0.5 cup unbleached all-purpose flour (plus the extra tablespoon from the ingredients list). Turn out the dough and gently pre-shape it into a loose round by folding the edges toward the center. Cover with the damp towel and let it rest for 20-30 minutes. This bench rest relaxes the gluten, making the final shaping easier.
After the rest, shape the dough into a tight boule by pulling the edges toward the center and tucking them underneath. The surface should be smooth and taut. Place the shaped dough seam-side down on a piece of parchment paper dusted with 0.25 cup cornmeal or rice flour. Cover loosely and let it proof at room temperature for 45 minutes to 1 hour, until it has risen by about 25-30%. You're looking for a dough that feels slightly domed and has gentle pressure points when pressed gently with your fingertip.
Score and Bake for Maximum Crust Development
Preheat your dutch oven in the oven at 475°F for at least 45 minutes. While it heats, turn the dough onto the parchment paper and score the top with the lame or razor blade using a gentle, confident motion. For a boule, I like to make a simple cross or a basketweave pattern—this controlled cut allows steam to escape and directs the oven spring.
Carefully transfer the dough (with parchment) into the preheated dutch oven. Immediately add 0.25 cup ice cubes to create steam, then place the lid on securely. Bake for 20 minutes, then remove the lid and bake for another 20-25 minutes until the crust is deep golden brown and the internal temperature reaches 205-210°F. The bread should sound hollow when tapped on the bottom. Let it cool on a wire rack for at least 1 hour before slicing—this ensures the crumb sets properly and prevents a gummy texture.
Pro Tips For Making 75 Hydration Sourdough Bread
- Weigh Your Flours: Ditch the cups—this recipe demands precision. A 75% hydration dough is already forgiving, but swapping all-purpose for bread flour mid-measurement throws off texture. Use a digital scale and weigh each flour separately (bread flour first, then all-purpose) to nail that open, airy crumb. I learned this after my third dense loaf—now my batches turn out consistently.
- Bulk Ferment at 72°F: Your starter might be happy at room temp, but the dough needs consistency. Aim for a bulk ferment between 72–75°F—any cooler, and you’ll wait forever; hotter, and the yeast races ahead. I keep my dough in a turned-off oven with a bowl of hot water nearby (yes, even in summer) to guarantee steady rise times. No thermometer? Stick your finger in the dough—if it feels warm but not hot, you’re in the zone.
- Skip the Overproofing Check: The "poke test" is overrated for this dough. At 75% hydration, the window for overproofing is narrower, but the classic dimple trick often fails—your dough might still bounce back even when it’s past its prime. Instead, time it: plan for 4–5 hours total bulk ferment (including folds), then check for volume and a slight collapse when gently pressed. Overproofing ruins the structure—trust the clock, not your finger.
- Steam the Oven First: That granulated sugar isn’t just for flavor—it’s your crust’s best friend. Before baking, spray the Dutch oven with water and place it upside down on the rack for 10 minutes while the oven preheats to 450°F. The residual steam + sugar caramelization = a shatteringly crisp crust. I used to skip this, and my bread always felt underwhelming—now it’s the star of the table.
Storing and reheating this 75 hydration sourdough bread
Room Temp Storage
Store your freshly baked sourdough in a paper bag or breathable cotton towel at room temperature for up to 3 days. The paper bag mimics bakery conditions by trapping just enough moisture to maintain crust crispness while allowing airflow to prevent sogginess.
I like to place my loaf in the bag while still slightly warm (after cooling for 1 hour) to preserve that fresh-baked aroma. Avoid plastic bags—they trap too much moisture and make the crust soften faster. 🥖
Refrigerator Revival
If you need to store leftovers longer than 3 days, refrigerate wrapped in aluminum foil or in an airtight container for up to 5 days. The foil preserves moisture better than plastic wrap, preventing the crust from drying out completely.
To revive stale bread, preheat your oven to 350°F, wrap the loaf in foil, and bake for 10-15 minutes until warmed through. For extra crispiness, broil for the final 2 minutes—just watch closely to avoid burning. 🔥
Freezer Preservation
For long-term storage, slice the cooled loaf and freeze individual portions in quart-sized freezer bags with all air removed. Label with the date—this bread stays fresh for up to 3 months without quality loss.
When ready to eat, toast directly from frozen in a toaster oven at 375°F for 8-10 minutes or reheat in a skillet with butter over medium heat for 3-4 minutes per side until golden and crisp. The freezer method works best for maintaining that perfect crumb structure. ❄️
Toaster Perfection
For quick breakfast slices, use a high-quality toaster set to medium heat. Place slices in the toaster basket cut-side down and toast for 2-3 minutes until golden brown. For even browning, toast one slice at a time—overcrowding can lead to uneven results.
I prefer a Cuisinart Pop-Up Toaster for consistent heat distribution. If your bread feels too dry after toasting, lightly brush with melted butter while warm to restore moisture. 🍞
Oven Refresh Method
For larger portions or when you want to restore the entire loaf, preheat your oven to 325°F. Wrap the cooled loaf tightly in aluminum foil, place it on a baking sheet, and bake for 15-20 minutes.
The foil traps steam to revive the crumb while the oven heat restores crispness. For extra flavor, add a spritz of water before wrapping—this creates steam during baking that mimics the original baking process. 💫
Nutrition facts
Frequently asked questions
Why does 75% hydration create a softer dough than higher percentages?
At 75% hydration, the dough contains more flour relative to water, creating a stiffer yet still workable texture. This balance allows for better gluten development during fermentation while maintaining a softer crumb. Higher hydration (like 80-90%) creates a more fluid, sticky dough that requires more handling, while lower hydration (60-70%) often results in denser bread. The 75% hydration here gives you the best of both worlds: easier shaping and a lighter, airier crumb.
Can I use this recipe without a Dutch oven?
Yes, but your crust won't be as crispy. Use a baking stone or steel pan and create steam by spraying water on the oven walls when loading the dough. For best results, bake at 475°F with the lid off, adding ice cubes to the pan for the first 10 minutes to mimic steam. The crumb will still be open, but the crust will lack that signature Dutch oven crackle.
How do I know when my starter is ready for this recipe?
Your starter should be bubbly, doubled in size, and have a light, airy texture within 4-6 hours after feeding. If it's sluggish, feed it 1:1:1 (starter:flour:water) twice daily for 24 hours before using. A weak starter will slow fermentation, leading to a dense loaf. For this recipe, 0.5 cup of active starter is crucial—measure after it peaks, not before.
Why did my bread turn out dense instead of open?
Dense bread usually means underproofing or weak gluten. Check these fixes:
- Ferment longer—room temp bulk fermentation should take 4-6 hours total (including stretch-and-folds).
- Strengthen gluten with more stretch-and-folds (4 sets total).
- Use bread flour (not all-purpose) for better structure.
- Preheat your Dutch oven properly—it should be smoking hot before adding dough. If it still fails, your starter may be weak or the dough too cold during proofing.
Can I make this dough ahead of time?
Shape the dough into a boule or batard, place it in the fridge overnight (12-18 hours cold fermentation), then proof at room temp for 1-2 hours before baking. Cold fermentation enhances flavor and improves gluten strength. Just ensure your final proof isn't overdone—press gently: if it springs back slowly, it's ready.