all-purpose flour (about 500 grams) • plus 1 tablespoon water (about 250 grams) • unsalted butter (about 50 grams) • sugar (about 30 grams) • fresh yeast (about 15 grams) • salt (about 10 grams) • Filling (ham, mozzarella, or spinach) • egg, for brushing • Sesame seeds