Creating sourdough bread with a long fermentation process results in a loaf with a deep, complex flavor and a delightful texture. This recipe is perfect for those who enjoy the art of bread-making and are patient enough to let the dough develop over time. The result is a crusty, golden-brown loaf that is well worth the wait.
One ingredient you might not have readily available at home is an active sourdough starter. This is a mixture of flour and water that has been fermented with wild yeast and bacteria. You can either make your own starter from scratch, which takes about a week, or you can purchase one from a specialty store or online. Make sure your starter is active and bubbly before using it in this recipe.

Ingredients For Long Fermentation Sourdough Bread Recipe
Bread flour: This high-protein flour gives the bread its structure and chewiness.
Water: Used to hydrate the dough and activate the yeast in the starter.
Active sourdough starter: Provides the natural yeast and bacteria needed for fermentation and leavening.
Salt: Enhances the flavor of the bread and controls the fermentation process.
Technique Tip for This Recipe
When mixing the flour and water in the initial step, use the autolyse method to improve the dough's texture and flavor. This involves simply combining the flour and water and letting it rest for 30 minutes before adding the sourdough starter and salt. This rest period allows the flour to fully hydrate and the gluten to start developing, resulting in a more extensible dough that's easier to work with and produces a better crumb structure in the final bread.
Suggested Side Dishes
Alternative Ingredients
bread flour - Substitute with all-purpose flour: All-purpose flour can be used, but the texture may be slightly less chewy and the rise may be less pronounced due to the lower protein content.
bread flour - Substitute with whole wheat flour: Whole wheat flour will add a nuttier flavor and denser texture. You may need to adjust the water content as whole wheat flour absorbs more moisture.
room temperature water - Substitute with filtered water: Filtered water ensures there are no impurities or chlorine that could affect the fermentation process.
room temperature water - Substitute with spring water: Spring water is another good option as it is free from chemicals that might inhibit yeast activity.
active sourdough starter - Substitute with commercial yeast: Use ¼ teaspoon of commercial yeast mixed with a bit of flour and water to create a poolish or preferment. This will not replicate the exact flavor but will help in leavening the bread.
active sourdough starter - Substitute with instant yeast: Use ¼ teaspoon of instant yeast and allow for a shorter fermentation time. The flavor will be less complex compared to using a sourdough starter.
salt - Substitute with kosher salt: Kosher salt can be used in the same quantity, but make sure to measure by weight for accuracy.
salt - Substitute with sea salt: Sea salt can be used for a slightly different mineral content and flavor profile. Measure by weight to ensure proper salinity.
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How to Store and Freeze Your Sourdough Bread
- Allow the sourdough bread to cool completely on a wire rack before storing. This ensures the crust remains crisp and the interior doesn't become soggy.
- For short-term storage, place the bread in a paper bag or wrap it in a clean kitchen towel. This will help maintain the crust's texture while keeping the bread fresh for up to 2 days.
- If you need to store the bread for a longer period, wrap it tightly in plastic wrap or aluminum foil. This will keep the bread fresh for up to a week, although the crust may soften slightly.
- To freeze the sourdough bread, slice it first. This allows you to take out only the amount you need without defrosting the entire loaf.
- Place the sliced bread in a resealable plastic freezer bag or wrap it in plastic wrap followed by aluminum foil. This double-layer protection helps prevent freezer burn.
- Label the bag or wrap with the date to keep track of how long the bread has been stored.
- When ready to use, remove the desired number of slices from the freezer. You can let them thaw at room temperature or toast them directly from frozen.
- For a whole loaf, wrap it in aluminum foil and place it in a preheated oven at 350°F (175°C) for about 15-20 minutes. This will refresh the crust and warm the interior.
- Avoid storing sourdough bread in the refrigerator, as this can cause it to dry out and become stale more quickly.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Wrap the sourdough bread in aluminum foil to prevent it from drying out. Place it directly on the oven rack and heat for about 10-15 minutes. This method will help restore the crust's crispiness while keeping the inside moist.
For a quicker option, slice the bread and place the slices on a baking sheet. Lightly mist them with water using a spray bottle. Heat in a preheated oven at 350°F (175°C) for about 5-7 minutes. This will give you a warm, slightly crispy slice.
If you prefer using a microwave, place a slice of sourdough bread on a microwave-safe plate. Cover it with a damp paper towel to retain moisture. Microwave on medium power for 10-15 seconds. Be cautious, as microwaving can make the bread chewy if overdone.
For a stovetop method, heat a skillet over medium heat. Place the bread slices directly on the skillet and cover with a lid. Heat for 2-3 minutes on each side, or until warmed through. This method can give you a nice, toasty exterior.
If you have a toaster oven, preheat it to 350°F (175°C). Place the sourdough bread slices directly on the rack or a baking sheet. Toast for about 5-7 minutes, or until the desired warmth and crispiness are achieved.
For a more gourmet approach, make a grilled cheese sandwich with your leftover sourdough bread. Butter the outside of two slices, add your favorite cheese, and grill in a skillet over medium heat until the bread is golden brown and the cheese is melted.
Essential Tools for Making Sourdough Bread
Mixing bowl: A large container used to combine the flour and water, and later the sourdough starter and salt.
Damp cloth: Used to cover the mixing bowl during the initial rest and fermentation period.
Proofing basket: A basket or bowl lined with a floured cloth to hold the dough during the second rise.
Floured cloth: A cloth dusted with flour to prevent the dough from sticking during the proofing stage.
Dutch oven: A heavy pot with a lid, preheated in the oven, used to bake the bread and create a steamy environment for a crispy crust.
Sharp knife: Used to score the top of the dough before baking, allowing it to expand properly.
Wire rack: A cooling rack to let the bread cool evenly after baking.
How to Save Time on This Recipe
Autolyse technique: Mix flour and water and let it rest for 30 minutes to develop gluten without kneading.
Use a stand mixer: Incorporate the sourdough starter and salt using a stand mixer to save time and effort.
Overnight rise: Let the dough rise overnight to fit your schedule and reduce active preparation time.
Preheat the dutch oven: Preheat the dutch oven while the dough is in its final rise to save time.
Batch baking: Make multiple loaves and freeze extras to save time on future baking days.

Long Fermentation Sourdough Bread Recipe
Ingredients
Main Ingredients
- 500 g Bread Flour
- 350 g Water Room temperature
- 100 g Sourdough Starter Active
- 10 g Salt
Instructions
- 1. In a large mixing bowl, combine the flour and water. Mix until just combined. Let it rest for 30 minutes.
- 2. Add the sourdough starter and salt to the dough. Mix until fully incorporated.
- 3. Cover the bowl with a damp cloth and let it rest at room temperature for 12-18 hours.
- 4. After the first rise, turn the dough out onto a lightly floured surface. Shape it into a ball.
- 5. Place the dough in a proofing basket or bowl lined with a floured cloth. Let it rise for another 2-4 hours.
- 6. Preheat your oven to 450°F (230°C) with a Dutch oven inside.
- 7. Carefully transfer the dough to the preheated Dutch oven. Score the top of the dough with a sharp knife.
- 8. Bake for 30 minutes with the lid on, then remove the lid and bake for another 15 minutes until the crust is golden brown.
- 9. Let the bread cool on a wire rack before slicing.
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