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Same day · 9 × 13 in pan

Sourdough focaccia

No shaping, no scoring, no Dutch oven. The forgiving one.

Hydration
80%
Start to finish
12h 40m
Starter (levain)
20%
Oven
450°F
An illustration of sourdough focaccia

The schedule

Times are for dough at 75°F / 24°C. Warmer is faster, cooler is slower — start to finish this loaf takes 17h 13m at 68°F, 12h 40m at 75°F, 10h 22m at 80°F. Steps marked in colour scale with temperature; the rest do not.

  1. 1
    0:00 · 5h

    Build the levain

    Mix the levain weights from the formula card. Ready when it has domed and is just starting to flatten — floats in water, smells sweet-sour, not sharp.

  2. 2
    5:00 · 15m

    Mix

    Everything but the oil, in one bowl, by hand.

  3. 3
    5:15 · 45m

    Bulk ferment

    Covered, in an oiled bowl. First fold in 45 min.

  4. 6:00 · 45m

    Stretch and fold 1 of 3

  5. 6:45 · 45m

    Stretch and fold 2 of 3

  6. 7:30 · 45m

    Stretch and fold 3 of 3

  7. 4
    8:15 · 1h

    Bulk, hands off

    No more folding. Bulk is done when the dough has risen roughly 50%, domed, and feels airy — jiggly, not soupy. Read the dough, not this clock.

  8. 5
    9:15 · 10m

    Into the pan

    Generously oiled pan. Tip the dough in, turn it once to coat, and leave it to spread on its own.

  9. 6
    9:25 · 2h

    Pan proof

    Until puffy and full of bubbles. Then dimple hard with oiled fingertips, right down to the pan, and salt the top.

  10. 7
    11:25 · 30m

    Oven on

    450°F / 230°C, middle rack.

  11. 8
    11:55 · 25m

    Bake

    Until the top is golden and the edges have fried in the oil.

  12. 9
    12:20 · 20m

    Cool

    Twenty minutes in the pan, then out onto a rack.

At 75°F the dough ferments at the rate this schedule was written for. Fermentation runs about 1.4× longer at 68°F.