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Recipe · Focaccia · Slow-Fermented

82% Hydration Slow-Fermented Focaccia

A flat, oil-rich loaf that bakes in a sheet pan and rewards short proofing with maximum crumb. Olive oil pools in the dimples, herbs fragrance the surface, and the bottom crust crisps in pooled fat.

Total time

36 hours (over ~3 days)

Active

90 minutes

Hydration

82%

Difficulty

⌬○○

A high-hydration dough wants to flatten on the counter. You manage it with folds instead of kneading, with a banneton instead of free-standing proof, and with a hot Dutch oven or stone that can hold the shape until the spring sets.

A 24 to 48 hour ferment is the professional approach scaled to a home kitchen. The dough rests in the refrigerator for most of its life, gluten develops without effort, and the bake produces a crust and crumb that read as serious bread.

Ingredients

800g total dough. Yields 1 focaccia in a 9x13 inch sheet pan.

Ingredient Grams Baker's %
Bread flour 422 g 100%
Water 346 g 82%
Salt 9.3 g 2.2%
Instant yeast 0.6 g 0.15%
Olive oil 21 g 5%

Schedule

  1. Day 1, evening
    Mix flour and water. Autolyse 1 hour.
  2. Day 1, evening
    Add yeast and salt. Mix gently.
  3. Day 1, evening
    Three folds, 30 minutes apart.
  4. Day 1, night
    Refrigerate the bulk dough overnight.
  5. Day 2, morning
    Pull from refrigerator. Bench rest 1 hour.
  6. Day 2, midday
    Pre-shape, rest 30 minutes. Pour the dough into a generously oiled 9x13 inch sheet pan. Stretch gently to fill the pan corners.
  7. Day 2, afternoon
    Cover and refrigerate the shaped dough overnight.
  8. Day 3, morning
    Pull from the refrigerator. Let the dough warm 30 minutes in the pan while you preheat the oven.
  9. Day 3, morning
    Dimple the surface deeply with all ten fingers, drizzle generously with olive oil, and add toppings (flaky salt, herbs). Bake at 425°F for 22 minutes until the bottom crust is crisp and golden.

Method tips for this style

Pour the dough into a generously oiled pan, oil your hands, and dimple the surface with all ten fingers right before the final proof. Drizzle more oil over the dimples just before baking.

What to expect

Maximum open crumb with large irregular holes throughout. The crust crisps in pooled olive oil; the interior is light and airy.

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