Sourdough focaccia
1 tray (30 × 40 cm) · about 2.1 kg · 4 × 6 inDough
1000 g bread flour
800 g water
200 g active levain (100% hydration)
22 g fine salt
40 g extra virgin olive oil
Tray and Bake
60 g extra virgin olive oil, for the tray and top
4 g flaky salt
4 g rosemary leaves