01 - Dissolve yeast and sugar in warm water in a small bowl. Let stand 5–10 minutes until foamy.
02 - Mix bread flour and salt in a large bowl. Create a well in the center.
03 - Pour yeast mixture and olive oil into the well. Mix with wooden spoon until shaggy dough forms.
04 - Turn onto floured surface and knead 8–10 minutes until smooth and elastic.
05 - Place in oiled bowl, cover with damp towel. Rise in warm place 1–1.5 hours until doubled.
06 - Punch down dough, shape into tight oval or round. Place on parchment-lined baking sheet dusted with cornmeal. Cover and rise 45 minutes.
07 - Preheat oven to 425°F. Place empty metal pan on lowest rack.
08 - Slash loaf top with sharp knife. Pour 1 cup hot water into empty pan for steam. Bake 30–35 minutes until golden and hollow when tapped.
09 - Transfer to wire rack. Cool completely before slicing.