Open Airy Focaccia Crumb: Hydration & Fermentation Guide

Tired of dense, brick‑like focaccia?
Discover how to achieve an open airy focaccia crumb by tweaking just two levers: hydration and fermentation.
Follow the steps below and you’ll bake loaves with a light, hole‑filled interior every time.

75‑80% hydration is the sweet spot for an open crumb.
At this level the dough feels loose and slick, which encourages gas retention during bake.
Mix flour and water, let rest 15‑20 minutes (autolyse) before adding yeast, salt, and olive oil.

Step 1 – Mix flour and water at 75‑80% hydration.
Let the mixture sit 15‑20 minutes for autolyse.
Following this ratio is key to unlocking an open airy focaccia crumb.

Step 2 – Add yeast, salt, and olive oil.
Knead briefly until just combined.

Cold fermentation transforms flavor and texture.
Place the dough in the fridge for 12‑24 hours after mixing; a slower rise yields gentle bubbles and a tender interior.
If time is short, a room‑temperature rise of 3‑4 hours works, but the crumb will be less open.

Step 3 – Perform 3‑4 stretch‑and‑folds over the next hour, pulling a corner up and folding it over the dough each time.

Step 4 – Cover the bowl and refrigerate for 12‑24 hours.
This cold fermentation builds flavor and creates those irregular holes.

Step 5 – Remove dough, let it rest at room temperature 30 minutes, then gently spread it into an oiled pan.
Dimple the surface with your fingertips to create wells for oil and toppings.
This dimpling technique encourages the open airy focaccia crumb to form during bake.

Step 6 – Drizzle generous olive oil, sprinkle sea salt, rosemary or other toppings.
Lightly spritz the dough with water before baking.

A spritz of water right before baking creates steam, keeping the crumb open and preventing a dry top.
This tiny step makes a noticeable difference in texture.

Step 7 – Bake at 425°F (220°C) for 20‑25 minutes, until the top is golden and edges crisp.
Cool briefly, then slice and enjoy the open airy focaccia crumb.