Gluten Free Sourdough Bread (Celiac-Safe, Dutch Oven)

The first time I pulled a fully risen gluten free sourdough loaf out of my Dutch oven, I almost did not believe it. A crackling, blistered crust, an open, chewy crumb, and that unmistakable sour tang that most gluten free breads never get anywhere close to. This is not a quick loaf. It takes patience and a little planning. But it is genuinely, reliably achievable in a home kitchen, without a single gram of wheat anywhere near it.

I built this recipe on a four-flour blend of Bob’s Red Mill potato starch, sorghum flour, brown rice flour, and tapioca flour, each certified gluten free. After several rounds of testing, I found that this specific ratio, backed by a whole psyllium husk gel, gave the most open crumb and the least gumminess of anything I tried.

If you have never kept a gluten free starter before, do not worry. I will walk you through building it, feeding it, and using it, plus every certified brand and cross-contact detail that matters for celiac disease. Keep reading, because the dough behaves very differently from wheat dough, and knowing what to expect makes all the difference.

Why You Will Love This Gluten Free Sourdough Bread

• A truly open, chewy crumb: most gluten free breads are dense and tight. The psyllium husk gel and long ferment here create real air pockets.
• Celiac-safe from day one: the starter itself is built on certified gluten free flour, never converted from a wheat starter, so there is no hidden risk in the base culture.
• Kitchen-tested across multiple batches: I ran this four-flour ratio through several rounds before settling on the version below, which gave the most consistent crumb at the same internal bake temperature.
• Real sourdough tang: the long proof develops genuine acidity, not the flat sweetness you get from quick gluten free yeast breads.
• Every flour individually certified: no blended mystery mix. You know exactly what is going into the dough and can verify each bag yourself.
• Freezer-friendly: this loaf freezes beautifully, so one baking day can stock your freezer for weeks.

Claire Donovan

Gluten Free Sourdough Bread

This gluten free sourdough bread uses a four-flour Bob’s Red Mill blend, each certified gluten free, for a celiac-safe loaf with an open, chewy crumb and a crackling crust.

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Prep Time 15 minutes mins

Cook Time 1 hour hr 25 minutes mins

Proofing 8 hours hrs

Total Time 9 hours hrs 40 minutes mins

Servings: 16 slices

Course: Bread

Cuisine: American

Calories: 102

Ingredients Equipment Method Nutrition Notes

Ingredients

  

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For the Starter (Preferment)

• 150 g active gluten free sourdough starter, at peak rise, built and fed on certified gluten free brown rice flour
• 100 g filtered water room temperature
• 80 g Bob’s Red Mill Brown Rice Flour (certified gluten free)

For the Dough

• 20 g whole psyllium husk (Now Foods or Anthony’s, certified gluten free) not psyllium powder
• 20 g honey
• 300 g filtered water room temperature
• 80 g Bob’s Red Mill Potato Starch (certified gluten free)
• 80 g Bob’s Red Mill Sorghum Flour (certified gluten free)
• 80 g Bob’s Red Mill Brown Rice Flour (certified gluten free)
• 60 g Bob’s Red Mill Tapioca Flour (certified gluten free)
• 15 g salt

Equipment

• Dutch oven
• Stand mixer
• Proofing basket or towel-lined bowl
• Kitchen scale
• Bread lame or sharp knife

Method

 

Build the Preferment

1. Whisk together the active starter, filtered water, and Bob’s Red Mill Brown Rice Flour until no dry streaks remain.
2. Cover loosely and let rest at room temperature for 6 to 18 hours, until bubbly and roughly doubled.

Make the Psyllium Gel

1. Whisk the whole psyllium husk into the 300 g of water for the dough and let sit for 2 to 3 minutes until it thickens into a gel.

Mix the Dough

1. In a stand mixer fitted with the paddle attachment, whisk together the potato starch, sorghum flour, brown rice flour, tapioca flour, and salt.
2. Add the honey, the fully risen preferment, and the psyllium gel. Mix on low speed until a soft, slightly sticky dough forms, about 3 to 4 minutes.

Shape and Proof

1. Turn the dough out onto a lightly floured surface and shape into a round boule using wet or floured hands. Place seam-side up in a well-floured proofing basket.
2. Cover and proof at room temperature for 3 to 4 hours, or up to 6 to 8 hours in a cooler kitchen, until visibly puffed. Alternatively, refrigerate overnight.

Preheat and Score

1. About 45 minutes before baking, place a Dutch oven with its lid on the middle rack and preheat the oven to 425°F (218°C).
2. Turn the proofed dough out onto parchment paper and score the top about ½ inch deep with a sharp knife or bread lame.

Bake

1. Lift the dough by the parchment paper into the hot Dutch oven. Cover and bake for 45 minutes.
2. Remove the lid and bake for another 25 to 40 minutes, until the crust is deep golden brown and the internal temperature reaches 210°F.
3. Cool completely on a wire rack, at least 2 hours, before slicing.

Nutrition

Calories: 102kcalCarbohydrates: 23gProtein: 2gFat: 0.5gSaturated Fat: 0.1gSodium: 369mgPotassium: 96mgFiber: 2gSugar: 1gVitamin C: 0.2mgCalcium: 10mgIron: 0.5mg

Notes

Celiac Safety Note: Please ensure every packaged ingredient carries a certified gluten free label. For this recipe, check specifically: your Bob’s Red Mill potato starch, sorghum flour, brown rice flour, and tapioca flour, your psyllium husk brand, and your starter’s own feeding flour. Cross-contact at packaging facilities is a real risk for people with celiac disease, and a starter built on uncertified flour puts the whole loaf at risk. When in doubt, look for the certified GF symbol on the package.

Storage: Room temperature in a paper bag for up to 2 days, refrigerated and sliced for up to 5 days, or frozen sliced for up to 3 months.

Make-ahead: Shape the dough and refrigerate overnight, then bake straight from the fridge the next morning.

Gluten-Free Note

This recipe is designed to be gluten-free when prepared with certified gluten-free ingredients. Always check labels, as ingredient formulations and manufacturing practices can change. If you have celiac disease or a severe gluten allergy, verify that all ingredients are certified gluten-free and appropriate for your dietary needs.

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Ingredients

For the Starter (Preferment)

• 150 g active gluten free sourdough starter, at peak rise, built and fed on certified gluten free brown rice flour
• 100 g filtered water, room temperature
• 80 g Bob’s Red Mill Brown Rice Flour (certified gluten free)

For the Dough

• 20 g whole psyllium husk, not psyllium powder (Now Foods or Anthony’s, both certified gluten free)
• 20 g honey
• 300 g filtered water, room temperature
• 80 g Bob’s Red Mill Potato Starch (certified gluten free)
• 80 g Bob’s Red Mill Sorghum Flour (certified gluten free)
• 80 g Bob’s Red Mill Brown Rice Flour (certified gluten free)
• 60 g Bob’s Red Mill Tapioca Flour (certified gluten free)
• 15 g salt

Ingredient Notes and Substitutions

The four-flour blend: Potato starch and tapioca flour keep the crumb light and help with browning, while sorghum and brown rice flour supply the bulk of the structure and flavor. In my testing, this combination absorbed water more predictably than a single all-purpose blend, which made the dough easier to shape consistently from batch to batch. It is the same hydration challenge I ran into developing my gluten free pizza dough, where getting the water ratio right makes or breaks the final texture.

I standardized on Bob’s Red Mill for all four flours rather than mixing brands. This keeps the ingredient list simple and means you are checking one label style across the board instead of four different packaging formats.

Gluten free sourdough starter: Your starter must be built from certified gluten free flour from the very first feeding. Never attempt to convert an existing wheat starter. Wheat proteins persist in a mature culture even after repeated GF feedings, which makes a converted starter unsafe for celiac disease. This matters because the FDA’s gluten-free labeling rule sets a strict 20 ppm threshold specifically to protect people with celiac disease, and a starter fed on uncertified flour can quietly push a finished loaf past that line.

Psyllium husk: This is the ingredient doing the structural work that gluten would normally do. Whole husk forms a strong, elastic gel when hydrated, which traps the carbon dioxide from fermentation and gives the loaf lift. Psyllium powder is more finely ground and absorbs water differently, so it is not a one-to-one swap here. Now Foods and Anthony’s are both certified gluten free and widely available.

Honey: A small amount of sugar gives the wild yeast something extra to feed on during the long proof, which noticeably improves oven spring.

Celiac Safety Note: Please ensure every packaged ingredient carries a certified gluten free label. For this recipe, check specifically: your Bob’s Red Mill potato starch, sorghum flour, brown rice flour, and tapioca flour, your psyllium husk brand, and your starter’s own feeding flour. Cross-contact at packaging facilities is a real risk for people with celiac disease, and a starter built on uncertified flour puts the whole loaf at risk, even weeks later. When in doubt, look for the certified GF symbol on the package.

How to Make Gluten Free Sourdough Bread

Step 1: Build the Preferment

In a medium bowl, whisk together the active starter, filtered water, and Bob’s Red Mill Brown Rice Flour until no dry streaks remain. Cover loosely and let it rest at room temperature for 6 to 18 hours, until it looks bubbly and has roughly doubled.

I have found that a slightly past-peak preferment, one that has just started to dome and slightly recede, produces a more reliably structured loaf than one used at its absolute peak. The fermentation is a touch more advanced, which seems to give the dough more consistent rise later.

Step 2: Make the Psyllium Gel

Whisk the whole psyllium husk into the 300 g of water for the dough and let it sit for 2 to 3 minutes, until it thickens into a thick, jelly-like gel. This gel is what replaces gluten’s elastic network, so do not skip the resting time.

Step 3: Mix the Dough

In the bowl of a stand mixer fitted with the paddle attachment, whisk together the potato starch, sorghum flour, brown rice flour, tapioca flour, and salt. Add the honey, the fully risen preferment, and the psyllium gel. Mix on low speed until a soft, slightly sticky dough forms, about 3 to 4 minutes.

The dough will look rougher and wetter than a wheat dough at this stage. That is expected: gluten free flours absorb liquid more slowly, so the dough continues to firm up as it rests.

Step 4: Shape and Proof

Turn the dough out onto a lightly floured surface and shape it into a round boule using wet or floured hands. Place it seam-side up in a well-floured proofing basket or a bowl lined with a floured towel.

Cover and let it proof at room temperature for 3 to 4 hours, or up to 6 to 8 hours in a cooler kitchen, until it has visibly puffed and feels light when you gently press it. You can also refrigerate the shaped dough overnight and bake the next day, which slightly deepens the tang.

Step 5: Preheat and Score

About 45 minutes before baking, place a Dutch oven with its lid on the middle rack and preheat your oven to 425°F (218°C). Once the dough has finished proofing, turn it out onto a piece of parchment paper and score the top with a sharp knife or bread lame, about ½ inch deep.

Scoring gives the loaf a controlled place to expand. Without it, the crust can tear unpredictably as steam pushes the crumb outward.

Step 6: Bake

Carefully lift the dough by the parchment paper into the hot Dutch oven. Cover and bake for 45 minutes. Remove the lid and continue baking for another 25 to 40 minutes, until the crust is deep golden brown and the internal temperature reaches 210°F.

Let the loaf cool completely on a wire rack, at least 2 hours, before slicing. Cutting into it too early is the single most common cause of a gummy-seeming crumb: the interior is still setting as it cools.

Expert Tips for Best Results

• Let it cool all the way. I know it is hard to wait. A loaf sliced too early will seem underbaked even when it is not, because the starches are still firming up.
• Use a kitchen scale. Gram measurements matter far more here than with wheat bread, since gluten free flour hydration is much less forgiving of small errors.
• Watch your starter’s rise time, not the clock. A slightly past-peak preferment gave me a more consistent structure across four separate test batches than one used at its absolute peak.
• Keep a baking sheet under the Dutch oven. If your loaf’s bottom tends to brown faster than the top, an extra sheet underneath diffuses some of the direct heat.
• Do not rush the psyllium gel. Give it the full 2 to 3 minutes. An under-hydrated gel will not bind the dough properly, and the loaf can spread instead of holding its shape.
• Common mistake: overproofing. If the dough looks slack and does not spring back at all when pressed, it has gone too far and will likely collapse in the oven. Aim for a gentle, slow spring-back.

Substitutions and Variations

If you cannot source one of the four flours, Bob’s Red Mill’s own 1-to-1 blend is not a direct swap here, since this recipe is built around the specific ratio of starch to structural flour. Substituting a pre-blended flour will change the hydration and is not recommended without retesting. A single blend works beautifully in something like my gluten free banana bread, but this sourdough’s fermentation depends on the separate flours behaving differently over many hours, not just at the mixing stage.

For a seeded variation, press 2 tablespoons of certified gluten free sunflower or sesame seeds onto the shaped dough before scoring. This adds crunch without affecting the crumb structure.

Dairy-free and egg-free by nature: this recipe contains no dairy or eggs, so it fits both diets without any changes.

If you prefer a milder tang, shorten the room temperature proof toward the 3-hour end and skip the overnight refrigerator option, since the cold proof is what deepens the sour flavor most.

What to Serve With Gluten Free Sourdough Bread

This loaf earns its place at almost any meal. A few pairings I come back to often:

• Soup night: Thick slices are perfect for dunking into a warm bowl of gluten free chicken noodle soup, which has enough body to hold up against a hearty crust.
• Breakfast toast: Toasted and topped with butter and jam, or alongside a gluten free quiche for a full brunch spread.
• Charcuterie boards: Thin slices toasted into crackers pair beautifully with cured meats and cheese; browse more ideas in the GFF breakfast recipes if you are planning a whole spread.
• Simple butter and honey: Warm from the oven, a thick slice needs almost nothing else.

Storage and Make-Ahead Instructions

Room temperature: Store the cooled loaf, cut side down, in a paper bag or loosely wrapped in a clean towel for up to 2 days. Avoid airtight plastic, which softens the crust.

Refrigerator: Slice and store in an airtight container for up to 5 days. The crust will soften, but a quick pass in a hot oven revives it.

Freezer: Slice the fully cooled loaf and freeze in a single layer before transferring to a freezer bag. Slices keep well for up to 3 months and toast beautifully straight from frozen.

Make-ahead: Shape the dough and refrigerate it overnight before baking. This is my preferred method, since the cold proof deepens the tang and lets you bake fresh bread in the morning with no active work beyond preheating the oven.

Why Trust This Recipe

With a background in laboratory science, I develop recipes the same way I approached lab work, with documented testing, controlled variables, and results that can be replicated in any home kitchen.

This recipe has been tested multiple rounds in my dedicated gluten free kitchen. I have noted what fails, what works, and why, so you are not just following steps but understanding the process.

What that means for you:

• Multiple test batches before publishing
• Science-based notes on key steps throughout
• Honest substitution guidance, not guesswork
• Safe for celiac disease, with cross-contact taken seriously at every step

Frequently Asked Questions

Final Thoughts