About Us Mario's Pizzeria in Maywood, New Jersey, is a great neighborhood pizzeria and restaurant. It serves Italian food-classic southern Italian dishes, pizzas, salads and much more. Try our Grandma's slice, it will liven up your day. The slice is rectangular like a Sicilian, but half as thick with fresh mozzarella topped with crushed tomatoes, fresh basil, pecorino romano cheese , oregano and a touch of olive oil.This sit down restaurant has taken the staple food of Maywood and made it a culinary threat thats hard to beat anywhere.You will not be disappointed by a pizza lunch or dinner at Mario's. The price is right, the service is dependable, and the tastes will knock on your tongue for joy.