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Artisan Loaves · beginner

Same-Day Gluten-Free Sourdough

Key takeaway

Same-day gluten-free sourdough is a 30% starter, 78–82F proof, 6–8 hour mix-to-oven loaf — still baked at 500F and cooled two hours before slicing.

A warmer, 30% starter loaf you can mix after breakfast and bake before dinner — 6–8 hours total.

By Andrew Kittridge500g flour (40% brown rice / 35% sorghum / 25% tapioca). Psyllium powder 5% (25g) mixed dry. Salt 2% (10g). Starter 30% (150g) at 100% hydration. Water 96% (480g) at ~85F. Warm proof 78–82F. Total 6–8 hours mix to oven, plus 2-hour cool.
same daybeginnerwarm proofquick sourdoughgluten free sourdoughgluten freedairy freeegg freevegan
Same-day gluten-free sourdough boule baked after a warm 6–8 hour schedule

Prep

25m

Psyllium rest

12 minutes

Bake

55m

Servings

12

Difficulty

beginner

The short answer

Same-day gluten-free sourdough is a scheduling recipe, not a different species of bread. We raise the starter to 30 percent of flour weight, the top of our 15–30 percent range, and keep the dough near 78–82F so wild yeast works on a weekday clock. Flour is the classic brown rice, sorghum, and tapioca blend. Psyllium powder at 5 percent mixes easily for a morning start. Salt is 2 percent. Hydration is 96 percent — a touch stiffer than overnight bread so a warm proof does not turn to soup. The whole arc, mix to oven, is 6–8 hours if the starter is truly peaked when you begin. The loaf will taste milder than a cold-proofed boule, more yogurt than vinegar, with a tender crumb. Dutch-oven bake at 500F, lid on then off, then cool at least two hours, which means if you want bread with dinner you should mix late morning and accept that slicing happens after the soup is already on the table — or bake the night you need toast tomorrow. Do not add extra yeast to “make it same day”; the 30 percent starter is the accelerator.

For the method behind gluten-free structure, read the gluten-free sourdough guide and keep a lively culture with the starter guide.

Why it works

  • 30% starter is still inside the 15–30% range and supplies enough yeast for a 6–8 hour clock.
  • Warm water and a warm proof raise enzyme and yeast activity without commercial yeast.
  • 96% hydration is slightly conservative so a warm dough does not puddle.
  • Psyllium powder hydrates on a beginner-friendly timeline.

Ingredients

  • 200g (1 1/4 cups)brown rice flour
  • 175g (1 1/2 cups minus 1 Tbsp)sorghum flour
  • 125g (1 cup plus 1 Tbsp)tapioca starch
  • 25g (2 1/2 Tbsp)psyllium husk powder5% of flour weight; powder for a fast mix
  • 10g (1 3/4 tsp)fine sea salt2% of flour weight
  • 150g (about 1/2 cup plus 1 Tbsp)active gluten-free starter (100% hydration)30% of flour; sorghum or brown rice, fully peaked
  • 480g (2 cups)warm water (85F)96% hydration; warmer water for a 6–8h timeline
  • as neededrice flour, for dusting

Equipment

  • Digital kitchen scale
  • Large mixing bowl
  • Stiff spatula
  • Banneton or towel-lined bowl
  • Parchment paper sling
  • 5–6 quart Dutch oven with lid
  • Bread lame or sharp knife
  • Wire cooling rack
  • Instant-read thermometer
  • Warm proof spot (oven light or proofing box)

Instructions

  1. 1

    Start only with starter that has doubled and is still domed. A 30% inoculation of sleepy starter just makes a dense, sour batter. It should smell like yogurt and cereal, look webbed, and mound on a spoon.

    check

  2. 2

    Whisk brown rice, sorghum, tapioca, psyllium powder, and salt until the powder disappears. Powder clumps if it hits water in a pile, and you do not have time to pick gel lumps out on a same-day clock.

    3 minutes

  3. 3

    Stir 150g starter into 480g water at about 85F. The mix should feel bath-warm, not hot. Pour over the flours and beat to a thick batter the color of wet sand.

    4 minutes

  4. 4

    Rest 12 minutes. Powder hydrates fast. The dough should already mound and feel like warm clay. If it is soup, your water was too hot and the gel failed — cool the bowl 10 minutes and proceed; do not add handfuls of flour.

    12 minutes

  5. 5

    Fold and shape a round with wet hands. Place in a floured banneton. Set it in a warm spot: 78–82F. An oven with the light on often works in a cold Indianapolis house; check it does not exceed 85F.

    5 minutes

  6. 6

    Proof until risen about 50 percent, jiggly at the edges, smelling mildly tangy. On this schedule that is usually 4–5 hours. A finger dent should fill slowly. If it hits 50% at 3 hours, bake sooner; 30% starter plus heat races.

    4–5 hours

  7. 7

    When the loaf is close, preheat a Dutch oven at 500F for 45 minutes. Do not leave a fully proofed loaf sitting while you slowly heat the pot — stagger so the pot is hot as the dough finishes.

    45 minutes

  8. 8

    Invert onto parchment. The loaf should hold a round and smell sweet-sour. Score 1/2 inch deep. Warm dough scores less cleanly than cold dough; use a wet blade.

    2 minutes

  9. 9

    Bake covered 40 minutes, lid-off 12–15 minutes until medium-deep brown, center 208–210F. It should smell toasty, not like undercooked starch.

    55 minutes

  10. 10

    Cool at least 2 hours even though the whole point was speed. Same-day baking does not change starch setting. Slice when the crust has crackled and the crumb looks matte.

    2 hours

Nutrition

Approximate values per serving. Always verify labels if you bake for celiac safety.

Nutrition facts per serving
NutrientAmount
Calories174 kcal
Protein3 g
Carbs38 g
Fat1 g
Fiber4 g
Sodium322 mg

Substitutions

Psyllium powder (25g)
29g whole psyllium husk mixed dry; add 5 minutes to the rest because husk hydrates slower.
85F water
80F water if your proof box is already 82F. Do not use 100F water; it can damage yeast and make the gel slimy.
30% starter (150g)
125g (25%) if your starter is extremely vigorous and you keep overproofing at 4 hours.

Storage

Towel-wrap 2 days. Milder sour stales a bit faster than the overnight loaf. Freeze slices 2 months.

Notes

  • Thirty percent starter is the speed lever. Adding commercial yeast is optional in the artisan loaf, not here; this formula should run on starter alone.
  • Water at 85F and a 78–82F proof are doing real work. A 68F kitchen will not be same-day.
  • If the dough overproofs (crater that does not fill), bake it anyway as a flatter loaf; do not ‘punch down’ gluten-free dough the wheat way.
  • Psyllium powder at 5% hydrates faster than whole husk, which suits a morning mix.
  • Cool 2 hours. Serving same-day bread hot is how you get gummy reviews.

FAQ

Can I really bake gluten-free sourdough in one day?

Yes, if the starter is peaked and you proof at 78–82F with 30% inoculation. Mix-to-oven is 6–8 hours. The two-hour cool still applies, so plan slicing after that.

Do I need instant yeast for same-day gluten-free sourdough?

No. This formula uses 30% active starter. Instant yeast is an optional note on the artisan loaf for weak starters, not a requirement here.

Why is same-day bread less sour than overnight bread?

Less time for lactic and acetic acids to build. Warm, fast ferments taste milder. Use the overnight cold-proof loaf when you want more tang.

What if my kitchen is cold?

Use 85F water, proof in an oven with the light on, or give up on 6–8 hours and follow the overnight loaf instead. Same-day is a temperature recipe.

Can I shorten the cool time since I am in a hurry?

You can slice at 90 minutes if you accept a slightly gummy first piece. Two hours is still the standard for a clean crumb.

Technique

Keep the method close

Psyllium, fermentation temperature, and a celiac-safe starter matter as much as the formula.

Sourdough guideStarter guide

About Andrew Kittridge

Home baker in Indianapolis documenting gluten-free sourdough: psyllium structure, whole-grain blends, and loaves that actually taste like bread.

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