Ingredients CardSourdough focaccia1 tray (30 × 40 cm) · about 2.1 kg Dough 7 ⅓ cupsbread flour1.76 lbwater7 ozactive levain (100% hydration)0.75 ozfine salt1.5 ozextra virgin olive oil Tray and Bake 2 ozextra virgin olive oil, for the tray and top0.25 ozflaky salt0.25 ozrosemary leaves Safety: rosemary leaves in oil can grow botulism at room temperature. Keep it in the fridge and use within 4 days. (USDA FSIS)
