L'Antica Pizzeria da Michele ★ 4.7
Da Michele in Naples' Forcella has baked margherita and marinara since 1870 at under 6 euros. It is the city's greatest eat-for-nothing proposition: two pizzas, four euros per person with water.
Try: Pizza margherita
Tip: Take a numbered ticket at the door. Cash only at the counter; the margherita is 5 euros 50.