Ciabatta bread: how to make it in a few steps!

INGREDIENTS for 3 Ciabatta :

For basin or fermentation:

• 450 g flour
• 450 ml of water
• 7g of fresh yeast

For the final dough :

• Previous sourdough (900g)
• 300 g of flour
• 120 ml of water
• 14 g of salt

METHOD
Add yeast to warm water. Add flour and stir. Let rise.
Add water, flour and salt. Knead with a wooden spoon. Knead the dough on a greased table. Let rise. Fold the dough and let it rise (2 times).
Divide the dough into 3 parts. Place on a baking sheet with parchment paper. Press with your fingers on each loaf.
Bake for 5 minutes at 270°C (520°F) on the bottom rack, then 10 minutes at 220°C (430°F) on the middle rack