Luini's Famous Panzerotto in Milan is a must-try for a quick, cheap, and delicious lunch near the Duomo. These golden, deep-fried treats are like a lovechild of a doughnut and a pizza, filled with mozzarella, tomato sauce, and other savory ingredients. The family-owned bakery has been serving up these tasty panzerotti since 1949, and they're a hit with locals and tourists alike. Don't miss out on this unique culinary experience when in Milan!