Revised 18 October 2026; first published 2024-11-11. Original byline, URL, and source capture retained.
Ciabatta is recognized by a thin, crisp crust and an open, irregular interior, but appearance alone does not define the method. Its character comes from a high-hydration wheat dough and the decisions that carry it through fermentation, handling, proof, and bake.
1. A high proportion of water
Hydration is calculated from water and flour weights. The published John Deacon formula is 70% hydration. That figure is useful for comparing formulas, while the flour determines how the ratio behaves in practice.
2. Flour with sufficient absorption and strength
Flours differ in milling, protein quality, and water absorption. A ciabatta dough needs to stretch while retaining enough structure to hold fermentation gas. A formula that works with one flour may feel slack or resistant with another.
3. Fermentation as development
The published formula uses a poolish leavened with baker’s yeast. Poolish and sourdough are distinct methods; neither name alone describes fermentation time, temperature, or dough maturity. Observe the preferment and final dough as they develop.
4. Strength built before shaping
Mixing and folds organize dough during bulk fermentation. Rest between handling gives it time to relax. These stages build structure progressively; folds are not a shortcut that guarantees open crumb.
5. An extensible, carefully handled dough
The dough must stretch enough to divide and shape without losing the structure already developed. Gentle handling can preserve some fermentation gas. The aim is a stable loaf, not a pattern of holes arranged for appearance.
6. A proof judged by condition
The source recipe gives timings, but room temperature and dough temperature affect fermentation. A baker should use the written schedule as a reference and observe the loaf’s expansion and readiness before baking.
7. A bake that sets the structure
The oven’s heat, recovery, airflow, and steam shape the crust and set the interior. The source recipe records a broad temperature and time range; home equipment makes observation and record-keeping essential.
These features work together. The published formula gives the quantities; the craft guide explains the decisions that make them useful.