Ingredients CardSourdough focaccia0.5 tray (30 × 40 cm) · about 1.1 kg Dough 500 gbread flour400 gwater100 gactive levain (100% hydration)11 gfine salt20 gextra virgin olive oil Tray and Bake 30 gextra virgin olive oil, for the tray and top2 gflaky salt2 grosemary leaves Safety: rosemary leaves in oil can grow botulism at room temperature. Keep it in the fridge and use within 4 days. (USDA FSIS)