Crosodocrosodo
Recipe10 min read·June 7, 2026
Sarah Baker · Crosodo Editor

Spelt sourdough — a 40% spelt blend with open crumb

A 40% spelt sourdough at 78% hydration. Nutty, tender, faster fermenting than wheat, and an excellent introduction to ancient grains.

Spelt is the gateway ancient grain. It looks like wheat, tastes deeper, and ferments faster — which is the most important thing to remember when you bake with it. Cut your timeline by about 20% and the dough rewards you with a tender, slightly sweet crumb.

Why this works

Spelt has weaker gluten than modern wheat. Long bulk fermentations overproof spelt dough, leading to slack, blowout-prone loaves. Shorter fermentation + 78% hydration produces a tender open crumb without losing structure.

At a glance

Yield
One 900 g boule
Prep
45 minutes
Cook
40 minutes
Total
20h

Ingredients

Bread flour
300 g
Whole spelt flour
200 g
Water
390 g (78%)
Active starter
100 g
Salt
10 g

Equipment

  • Digital scale
  • Mixing bowl
  • Bench scraper
  • Round banneton
  • Dutch oven
  • Lame

Directions

Common questions

Watch the dough, not the timer
Every spelt batch ferments slightly differently. Trust your eyes — surface bubbles and a 50% rise mean it is time to shape.

Baker notes

  • Whole spelt is darker; sifted spelt is lighter and more bread-flour-like. Whole gives more flavor.
  • If you sense the dough overproofing during shape, refrigerate immediately.
  • Spelt sourdough toasts beautifully — try it with butter and honey.

FAQ

Can I go 100% spelt?

Yes — drop hydration to 72%, increase starter to 25%, and cut bulk to 3 hours. Expect a tighter crumb.

Where to go next

Spelt is the loaf for the household member who normally avoids whole grain. The nuttiness wins them over.

Open Crumb Club — for the holes-and-evidence crowd
Wear it on slice-photo day.
Wear the Levain Society tee while you bake
Garment-dyed heavyweight cotton — soft enough to proof in.

Crosodo Blog entries are recipe and craft notes from working cottage bakers. Recipes assume working with an active starter and basic equipment. Cottage food sales are governed by your state's law — see our state directory for legal details.