Mix bread flour, water, yeast, and salt into a wet dough
Let the dough rest until hydrated
Stretch and fold the dough several times during the first rise
Cover and let it rise until doubled and bubbly
Dust the work surface generously with flour
Turn out the dough carefully without deflating it
Shape into a rough rectangle or loaf
Transfer to a floured cloth, parchment, or baking tray
Let it proof until puffy
Preheat the oven very hot
Place a tray or stone in the oven to heat
Add steam to the oven if possible
Bake until deeply golden and hollow-sounding
Cool completely before slicing