Pour the flour into a bowl and add 280gr of water. Briefly mix the ingredients until the water will be completely absorbed.
Cover the bowl with a towel and let the dough rest for 40 minutes at room temperature. During this time, the proteins in the flour will have time to hydrate and better prepare to form the gluten mesh. This kneading technique is called AUTOLYSE.
After 40minutes add the ripe biga, water, malt powder, fresh yeast, and salt.
Cover the dough with a cloth and let it rest again for 40 minutes.
At this point, the dough will be elastic and more extensible, and we are ready to give the famous "folds" to the bread.
Then lift flaps of dough and fold them toward the center, swirling the bowl until they touch the entire perimeter of the dough. Cover and let rest for 30 minutes at room temperature.
Repeat this step of folding a second time, cover the dough with a cloth, and let it rise for 3 hours at 28°C (82°F).
After 3 hours, pour dough onto the floured work surface and divide into 2 portions.
Stretch the dough out on the work surface, close the side flaps inward, and then fold the top end of the dough toward the center, forming a loaf.
Let the dough rest for about 15minutes before shaping the loaves.
To better stretch the gluten in the loaves, take one loaf and let it fall back on the work surface several times, folding one end toward the center. Finally, roll the loaf on the work surface with the hands (this technique is called "pirlatura" in Italian) until the dough surface is well stretched.
Let the loaves rise 15minutes to relax the gluten.
After 15 minutes, repeat the previous operation and place the loaves in proofing baskets, keeping the base upwards. Instead of baskets, you can use a bowl covered with a well-floured baker's couche.
Let the loaves rise for about 2 hours at room temperature. Otherwise, cover them with a proofing cloth and let them rise in the fridge for 12 hours.
Dust a baking sheet with flour, turn the loaf over, and remove excess flour.
Score the surface of the bread with a baker's lame and bake at 230°C (446°F) for about 1hr. I recommend creating some steam in the oven during the first 30min, using a small pot of boiling water on the base of the oven.
15minutes before the end of baking, open the oven door slightly to let the steam escape so that the bread crust is dry.
Take the loaves out of the oven and let them cool on their sides for a few hours.