123-Step Sourdough Bread Recipe: No-Knead Overnight Rise for Crusty Perfection

This 123-step sourdough bread recipe transforms your kitchen into a bakery with just a few simple ingredients and patience—no fancy equipment required. The secret lies in the no-knead overnight rise, which develops deep flavor and that coveted crusty exterior while you sleep. I’ve baked hundreds of loaves, and this method consistently delivers restaurant-quality results at home, with a crispy shell and airy, open crumb.

The process begins with a fresh starter (or store-bought, if you’re short on time), then moves to mixing a simple dough of flour, water, and salt. After a 12–18 hour bulk fermentation in the fridge, the dough transforms into a light, bubbly mass ready for shaping. The real magic happens in the Dutch oven bake, where steam creates that iconic oven spring and crackling crust.

What makes this recipe perfect is its balance of tradition and convenience—no need for a stand mixer or professional tools. The overnight rise eliminates the guesswork of timing, while the Dutch oven mimics a wood-fired oven’s steam. By the time you pull that golden loaf from the oven, you’ll understand why sourdough is worth the wait.

Whether you’re a beginner or a seasoned baker, this method builds confidence. Troubleshooting tips for dense crumb or underproofing are included, so you’ll know exactly how to adjust for flawless results every time. Let’s get started on your first loaf—your kitchen will never smell the same again.

Ingredients for 123 sourdough bread

Five simple ingredients transform into restaurant-quality sourdough with this foolproof method.

The flour is everything here. King Arthur or Bob’s Red Mill are my go-tos—they handle fermentation beautifully. If you’re using store-brand flour, check the protein content (11-12% is ideal). The starter must be active—it should float in water when tested. For the water, room temperature is critical; too cold slows fermentation, too hot kills the yeast. I always use filtered water to avoid any chlorine or mineral interference that could affect the dough’s development. If you’re in a rush, King Arthur Bread Flour cuts fermentation time by 20% while maintaining structure.

No semolina? Regular all-purpose flour works in a pinch, though it won’t give that signature crunch. The olive oil is purely functional here—just enough to prevent sticking during shaping. Salt is non-negotiable; Diamond Crystal kosher dissolves cleanly without leaving grit. For a lighter loaf, you can reduce the salt to 1 tsp, but the flavor will be subtler. The starter can be homemade or store-bought (like Bobs Red Mill Sourdough Discard), but it must be fully active. If your starter is sluggish, feed it 1:1:1 (flour:water:starter) by weight 4-6 hours before using.

Once mixed, the dough needs 12-18 hours at 70-75°F for optimal fermentation. I use a proofing box with a heating pad, but a warm oven with the light on works too. Store any extra starter in an airtight jar in the fridge—it’ll keep for up to 2 weeks if fed weekly. The shaped dough can be refrigerated overnight for even better flavor, but bake within 8 hours of shaping. Pre-slice your loaf before baking for that bakery-fresh look—just use a sharp razor blade and score deeply.

Step-by-step instructions for no-knead sourdough bread

Here’s how to craft artisanal sourdough with minimal effort and maximum flavor.

In a large mixing bowl, combine the 4 cups unbleached all-purpose flour and 1 cup active sourdough starter. Create a well in the center and add the 2.5 cups room-temperature filtered water and 1.5 tsp diamond crystal kosher salt. Using a wooden spoon or your hands, gently mix until just combined—you’ll see dry flour pockets, which is perfect for this no-knead method.

Add the 1 tbsp extra-virgin olive oil and continue mixing until the dough comes together into a shaggy mass. The dough should be sticky but manageable. If it feels too dry, add 1 tablespoon water at a time until it reaches the right consistency. This initial mix sets the foundation for that signature open crumb structure we’re after.

Cover the bowl loosely with plastic wrap or a damp kitchen towel. Let the dough rest at room temperature for 8-12 hours, depending on your kitchen’s warmth. During this time, the starter will activate and the gluten will begin to develop naturally. You’ll notice bubbles forming on the surface and the dough will rise noticeably—this is when the magic happens.

I like to place my dough in a warm spot, like near the oven with the light on, to encourage even fermentation. The ideal temperature range is 75-80°F. After about 4 hours, give the dough a gentle stir to redistribute any liquid that may have pooled on top. This step prevents weak spots in the final loaf and helps create that beautiful open crumb we all love in sourdough.

After the bulk fermentation, the dough should have nearly doubled in size and be filled with bubbles. Lightly flour a clean work surface with semolina flour and turn out the dough. Gently shape it into a round boule by pulling the edges toward the center and tucking them underneath. This technique creates surface tension that helps maintain the loaf’s shape during baking.

Place the shaped dough seam-side up in a well-floured banneton or bowl. Cover again and let it rise at room temperature for 2-4 hours, or until it has risen significantly. The dough should spring back slowly when gently poked. For best results, I recommend doing this final rise in the refrigerator overnight—this cold fermentation enhances flavor development and makes scoring easier later.

Preheat your oven to 450°F with a Dutch oven inside for 45 minutes. This step is crucial for creating that signature crisp crust. While the oven heats, turn out the dough onto a piece of parchment paper dusted with semolina flour. Using a sharp razor blade or lame, score the dough with a ½-inch deep cut down the center. This not only looks beautiful but also controls where the bread expands during baking.

Carefully transfer the dough (with parchment) to the hot Dutch oven. Bake covered for 20 minutes, then remove the lid and bake for an additional 20-25 minutes until the bread is deep golden brown. The internal temperature should reach 205-210°F. You’ll know it’s done when the crust sounds hollow when tapped on the bottom. Let the bread cool on a wire rack for at least 1 hour before slicing—this resting period allows the crumb to set properly.

Health benefits of this 123 sourdough bread

Gut Health Boost

Sourdough is a probiotic powerhouse, thanks to its natural fermentation process that creates beneficial bacteria like Lactobacillus. These good bacteria support digestion, reduce bloating, and strengthen your gut microbiome—studies show regular sourdough consumption can improve gut diversity by 15-20%. The long fermentation also breaks down gluten and phytic acid, making it easier to digest than regular bread. 💪

Better Blood Sugar

Unlike white bread, sourdough’s fermentation process lowers its glycemic index, helping stabilize blood sugar levels. The low-glycemic effect comes from the lactic acid produced during fermentation, which slows glucose absorption. This makes it a smarter choice for diabetics or anyone watching their blood sugar—just stick to whole-grain versions for maximum benefit.

Enhanced Nutrient Absorption

Fermentation unlocks more nutrients in the flour, including B vitamins (like B6 and folate) and minerals like magnesium and zinc. The lactic acid also helps break down phytic acid, which can inhibit mineral absorption in regular bread. One loaf provides 10-15% of your daily magnesium needs—critical for muscle function and stress relief.