Mom's Best Recipes
Recipe

Gluten-Free Sourdough Bread

A tangy, crusty gluten-free sourdough boule that actually slices, toasts, and makes the kind of sandwich you look forward to.

Author By Matt Campbell
4.8
A golden brown gluten-free sourdough boule with a crisp blistered crust cooling on a wire rack on a warm kitchen counter

Gluten-free sourdough is one of those projects that sounds like it wants to ruin your weekend. I promise it does not have to. This loaf is the version I make when I want real sourdough vibes without a stack of specialty ingredients or a crumb that turns into sad confetti the second you slice it.

Here is the deal. Gluten-free dough does not behave like wheat dough. There is no stretch and fold ballet. Instead, we lean on a strong starter, the right flour blend, and a high hydration batter style dough that bakes up into a crusty, sliceable loaf with a tender interior and that tangy, fermented flavor that makes you pause mid bite like, okay wow.

If you have a gluten-free sourdough starter already, you are close. If you do not, I included a quick starter roadmap in the FAQ so you can get rolling.

Measured gluten-free flours, psyllium husk, salt, sourdough starter, and water arranged in small bowls on a bright kitchen counter

Why It Works

  • Crisp crust, cozy crumb: Dutch oven steam gives you that shattery outside with a soft, slightly chewy inside.
  • Sliceable and sturdy: Psyllium husk and a well fermented batter create structure, so you can toast it and actually build a sandwich.
  • Bold flavor without drama: A longer fermentation builds tang and depth without complicated techniques.
  • Accessible ingredients: No obscure starch scavenger hunt. If you can find rice flour, tapioca starch, and psyllium husk, you are in business.

Makes: 1 boule (about 12 slices).

Pairs Well With

Storage Tips

Cool completely first. Gluten-free sourdough needs time to set. Give it at least 2 hours before slicing, ideally longer.

Room temperature

Store the loaf cut side down on a cutting board for 1 day, or in a breathable bread bag for up to 2 days. Avoid fully sealing it in plastic at room temp unless you love a soft crust.

Refrigerator

Not my favorite for bread texture, but it works. Wrap tightly and refrigerate up to 5 days. Toast to revive.

Freezer

Best option. Slice the loaf, then freeze slices in a zip top bag with parchment between layers. Toast from frozen. It comes back like nothing happened.

To refresh the crust

Spritz the outside lightly with water and warm in a 350°F oven for 8 to 12 minutes. That crust snaps right back.

About total time

The listed total time reflects active prep plus a same-day rise and bake. Cooling time is listed separately (and it matters). If you choose the overnight refrigerator proof, add 8 to 12 hours.

Common Questions

Do I need psyllium husk?

For this style of loaf, yes. Psyllium husk is the backbone. It binds water and creates that flexible gel that mimics gluten. If you only have psyllium husk powder, treat this as a starting point: use about 75 to 90 percent of the amount by weight (powder is usually more absorbent, but brands vary). The goal is a loose gel that thickens quickly, not a rubber brick. If it looks watery after a few minutes, add a pinch more; if it seizes up, whisk in a splash of water.

Can I use a store-bought gluten-free flour blend?

Sometimes. Many blends vary wildly. This recipe is built around a simple mix of rice flour plus tapioca and a little sorghum for flavor. If you try a blend, choose one without xanthan gum if possible, since we are using psyllium. Expect to adjust water.

My dough looks like thick batter. Is that normal?

Yes. Gluten-free sourdough is typically a scoopable, sticky dough. If you can knead it like wheat dough, it is probably too dry and will bake up dense.

How do I know my starter is ready?

You want it active and bubbly and able to rise reliably after feeding. For best results, bake when your starter is at or near its peak (domed top, lots of bubbles, and it has clearly risen). A simple test is timing. If it doubles in volume in about 4 to 6 hours at a comfortable room temperature, you are in a good spot for baking.

How do I make a gluten-free sourdough starter?

Use equal weights gluten-free flour (brown rice flour is a great choice) and water. Start with 30 grams flour and 30 grams water in a jar, stir, and loosely cover. Each day, discard about half and feed again with the same weights. In about 7 to 14 days (sometimes sooner, sometimes longer depending on temperature and flour), it should smell pleasantly tangy and show consistent bubbling and rising.

Why did my loaf turn out gummy?

Common causes are underbaking, slicing while warm, weak starter, or too much water for your flour. Bake to an internal temperature around 210°F to 215°F if you have a thermometer (especially helpful for psyllium-based gluten-free loaves), and let it cool completely before slicing.

Can I proof overnight?

Yes, with a caveat. Gluten-free dough can overproof and collapse if it goes too far. If your kitchen is warm, do the final proof in the fridge and bake straight from cold.

I was the guy who thought gluten-free bread was automatically going to taste like compromise. Then I started chasing the same things I love in regular sourdough: fermentation, crust, and that little sweet and tangy moment when butter hits warm toast. This loaf is the one that made me stop treating gluten-free baking like a chemistry exam and start treating it like dinner. Mix it, let it do its thing, bake it hot, and suddenly your kitchen smells like you have your life together.