The DiGiorno brand by Nestle USA, Northbrook, IL, launched a line of pizzas the company hopes will revolutionize the frozen pizza category. Pizzeria! features a preservative-free crust drizzled with extra virgin olive oil that is topped with a new sauce made with vine-ripened tomatoes, garlic and herbs and premium meats, cheeses and vegetables. This line includes four ­varieties: Quattro Formaggi/Four Cheese, Supreme Speciale, Primo Pepperoni and Italian Meat Trio. The pizzas retail for $6.50.