Ingredients CardSourdough focaccia1 tray (30 × 40 cm) · about 2.1 kg Dough 1000 gbread flour800 gwater200 gactive levain (100% hydration)22 gfine salt40 gextra virgin olive oil Tray and Bake 60 gextra virgin olive oil, for the tray and top4 gflaky salt4 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)