In a large bowl, mix together the water and yeast. Add the flour and salt and mix until all the flour is absorbed. Cover the bowl with plastic wrap and leave overnight in dark place until the dough has doubled in size.
.Generously flour a work surface and transfer the dough to it. Use a dough scraper to fold the dough dusting with flour as you go. Cup the dough with both hands and rotate in circular motion until you have round loaf.
Dust the top of the dough with flour.Place the round loaf in proofing basket or place a linen couche in a colander. Let proof for 30 minutes.
Preheat the oven 450F. Place in a Dutch oven or bread baker. Bake for 40 minutes or according to manufacture’s instruction (if using a bread baker).