All-Purpose Flour Sourdough Sandwich Bread Recipe: No-Knead, 12-Hour Rise for Crusty Slices

This all-purpose flour sourdough sandwich bread delivers artisanal texture with minimal effort—no-knead, 12-hour rise, and a crusty exterior that holds sandwiches perfectly. The secret lies in controlled fermentation and a Dutch oven bake, creating an open crumb and golden crust without requiring specialty flour.

I developed this recipe after years of baking sourdough, refining it specifically for sandwiches where structure matters most.

What sets this apart is the balance of simplicity and professional results. The dough develops naturally through 12 hours of bulk fermentation, creating gluten structure without overworking. A steam bath during baking ensures an oven-spring that rivals commercial loaves, while the all-purpose flour keeps costs low and texture consistent.

No active starter? No problem—we'll adapt with a quick starter method.

By the time you slice into this loaf, you'll find a soft yet sturdy crumb that stays fresh for days, ideal for grilled cheese, BLTs, or turkey sandwiches.

The crust remains crisp for hours, protecting the tender interior. This recipe proves you don't need expensive ingredients or time-consuming methods to achieve bakery-quality bread at home.

Perfect for beginners and experienced bakers alike, this method delivers restaurant-quality sandwich bread with just one bowl and a Dutch oven. Let's get started—your next perfect sandwich is just 12 hours away.

Ingredients for all purpose flour sourdough sandwich bread

Fourteen simple ingredients transform into restaurant-quality sandwich bread with just one bowl and patience.

The flour is non-negotiable here—King Arthur or Gold Medal are my go-tos for consistent results. Bulk bins at Whole Foods often have fresher flour than grocery store bags, but any all-purpose will work. The starter is where magic happens: if you don't have an active one, mix 0.25 cup flour + 0.25 cup water, let sit 24 hours at room temp, then feed daily until bubbly. For yeast, Fresh & Easy or Bob's Red Mill brands stay potent longer. The butter should be cold enough to hold its shape but soft enough to mix—think slightly firm whipped butter. Milk adds tenderness, but oat or soy milk work in a pinch if you're avoiding dairy.

No sourdough starter? Substitute 0.5 cup plain yogurt or buttermilk—it adds tang without the fermentation. Running short on butter? Olive oil at half the amount keeps the dough tender, though texture will differ slightly. The cornmeal is crucial for preventing sticking—Bob's Red Mill fine grind works best. For the ice cubes, regular tap water cubes are fine, but filtered water reduces mineral deposits. Want extra crustiness? Add 1 tsp honey or malt powder to the dough for browning. The salt is critical—Diamond Crystal dissolves slower than table salt, so use exactly as measured.

Store the dough in an airtight container with a damp towel over it—keeps it fresh for 24 hours in the fridge. Baked loaves stay crisp for 3 days at room temp, wrapped in a bread bag. For longer storage, freeze slices between parchment paper—they toast up like fresh. The Dutch oven retains heat beautifully, so preheat it with the ice cubes for 30 minutes before baking. Pro tip: Brush the crust with melted butter after baking for that artisanal sheen. Leftovers? Toss in the toaster—this bread gets better the second day.

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

Here's how to transform simple ingredients into artisanal-style bread with minimal effort.

In a large mixing bowl, combine the 3.5 cups all-purpose flour, 1.5 tsp diamond crystal kosher salt, and 0.5 tsp granulated sugar. This dry blend forms the foundation of your dough—don't skip measuring precisely, as salt and sugar balance fermentation.

In a separate small bowl, whisk together the 0.5 cup whole milk (warmed to 85°F—just warm enough to dissolve sugar but not hot to the touch), 0.5 cup active sourdough starter, and 0.25 cup cold water. The contrast between warm milk and cold water creates the perfect hydration balance for gluten development. Pour this wet mixture into the dry ingredients and stir with a wooden spoon until a shaggy mass forms.

Add the 0.25 cup cold, cubed unsalted butter and mix until fully incorporated. The butter should blend smoothly but remain slightly cool—this prevents gluten from over-developing too quickly. Cover the bowl with a damp kitchen towel and let it rest at room temperature for 20 minutes. This initial rest allows the flour to fully hydrate and the gluten to begin forming naturally.

After the 20-minute rest, the dough should look slightly more cohesive but still shaggy. Wet your hands thoroughly and perform a series of gentle folds: grab one side of the dough, stretch it upward, and fold it over itself. Rotate the bowl 90 degrees and repeat this process 4 times total, resting the dough for 1 minute between each fold. This method builds gluten without overworking the dough—critical for a tender crumb.

Here's the thing—you're not looking for a smooth, elastic dough like traditional kneading produces. Instead, aim for a slightly sticky, slightly lumpy texture with visible strands of gluten forming. If the dough feels too dry, add 1 teaspoon of cold water; if too sticky, add 1 tablespoon of flour. The goal is a dough that's just tacky enough to hold its shape when pressed but still pliable.

Transfer the dough to a lightly greased bowl, cover it tightly with plastic wrap, and refrigerate for 12 hours. This cold fermentation is where the magic happens—the slow rise develops deep flavor and a proper crumb structure. I know it seems counterintuitive to refrigerate when yeast typically thrives at warm temperatures, but the cold slows fermentation just enough to build complexity without overproofing.

During this time, the dough will rise significantly but won't double in size. You'll notice bubbles forming on the surface and a slight tang developing in the aroma. This is your sourdough character emerging. The cold also helps the gluten relax, making the dough easier to shape later. Don't skip this step—rushing the rise leads to dense, flavorless bread.

After the 12-hour cold rise, turn the dough onto a lightly floured surface. Gently shape it into a loose round by tucking the edges underneath. The dough should be relaxed and slightly sticky—don't force it into a tight ball. Place the shaped dough seam-side up in a 9x5-inch loaf pan that's been lightly coated with cornmeal (use about 2 tablespoons to dust the bottom and sides). This creates a barrier that prevents the dough from sticking while allowing steam to escape during baking.

Cover the pan with a damp towel and let the dough proof at room temperature for 1 to 1.5 hours, or until it has risen 1 to 2 inches above the rim of the pan. You'll see the dough dome slightly in the center and hear a hollow sound when you tap the top. This indicates it's ready for the oven—overproofing here leads to a collapsed loaf.

Preheat your oven to 425°F with a Dutch oven inside for 30 minutes. The Dutch oven creates a steam chamber that's essential for developing that golden, crusty exterior. Remove the Dutch oven and carefully transfer the loaf pan inside. Add 0.5 cup ice cubes to the bottom of the Dutch oven—this creates an instant steam burst when the hot dough hits the cold ice.

Bake covered for 30 minutes, then remove the lid and bake for an additional 15 to 20 minutes until the bread reaches an internal temperature of 205°F and the crust is deep golden brown. You'll see the top develop a beautiful crack pattern and hear a hollow knock when you tap the bottom. If the crust browns too quickly, tent the loaf with foil to prevent over-browning while it finishes baking.

Remove the bread from the pan and transfer it to a wire rack. Here's the critical part: do not slice it for at least 1 hour, and ideally 2 hours. The bread continues to set as it cools, and slicing too soon releases steam, making the crumb gummy. During this time, the internal structure firms up, allowing for clean, professional slices every time.

For even better results, brush the cooled loaf with a little melted butter (about 1 tablespoon) to enhance flavor and texture. Store wrapped at room temperature for 2 to 3 days or freeze for up to 3 months. Each slice should have a crisp crust that gives way to a tender, open crumb with just the right amount of chew—proof that no-knead can deliver artisanal quality with minimal effort.

Pro cooking tips for all purpose flour sourdough sandwich bread

Cold Fermentation Secrets

The 12-hour cold rise is where this bread develops its signature depth of flavor and texture. I've found that refrigerating the dough slows yeast activity just enough to build gluten strength without overproofing. The cold also enhances the sourdough tang—something you won't get with a warm rise.

Place the dough in an airtight container with a damp towel to maintain consistent humidity. If your kitchen runs cold (below 70°F), extend the rise to 14 hours for optimal development. 🥶

Dutch Oven Steam Hack

That steam bath during baking is non-negotiable for a proper oven spring. I recommend preheating your Lodge cast iron Dutch oven for 30 minutes before adding the loaf. The ice cubes create an instant steam chamber when they hit the hot oven.

For even better results, add 1 tablespoon of water to the Dutch oven bottom right before baking—this extra moisture boosts crust development. Pro move: Use hot water instead of ice cubes if you're short on time. 💫

Gentle Folding Technique

Many home bakers overwork their dough, leading to tough bread. Instead, focus on 4 gentle folds during the initial rest period. Wet your hands thoroughly before handling the dough—this prevents sticking and makes the process cleaner. The goal is to develop gluten without creating too much tension.

If your dough feels resistant after folding, let it rest 5 minutes before continuing. This method creates that perfect open crumb we want in sandwich bread. 💪

Proofing Perfection

Proofing is where most home bakers go wrong. Look for 1-2 inches of rise above the pan rim, not a dramatic doubling. Tap the dough gently—it should sound hollow, like a drum. If it feels springy when pressed, it's overproofed.

For best results, proof at 75°F—warmer kitchens may require 30-45 minutes, while cooler ones might need 1.5 hours. A proofing box (or even a turned-off oven with a bowl of hot water) helps maintain consistent temperature. ⏰

Crust Development Tips

For that golden, crisp crust, bake uncovered for the final 15-20 minutes. If your bread browns too quickly, tent with foil. I like to brush the crust with melted butter after baking for extra shine and flavor.

For a darker crust, try adding 1 teaspoon of honey to the dough before shaping. The steam from the ice cubes helps create those beautiful crack patterns on the surface—this is your bread's signature! 🌟

Cooling Mistakes to Avoid

Never skip the 2-hour cooling period—this is when the bread sets properly. Slicing too soon releases steam, making your crumb gummy. For even better texture, transfer the bread to a wire rack immediately after baking. If you're in a hurry, at least 1 hour of cooling is better than none.

The internal temperature should drop to 100°F before slicing. Trust me, this patience pays off with perfect sandwich slices every time. ⏳

Frequently asked questions