Down-to-earth restaurant with murals & checkered tablecloths for Italian comfort food & cocktails. From our family to yours Enjoy Severn's best pizzas at some of the top pizza restaurants in the area. Casa Della Nonna is one of the most popular in Severn. Try their pizza, and you'll soon see why. Try some of Severn's best dishes at independent pizzerias in the city. Find new favorites and get a taste of what Severn has to offer. You can't say you've been to Casa Della Nonna until you've tried Cheese Pizza. This classic local favorite is what this establishment is known for. Add French Fries to your pizza for a more satisfying meal. It's a great addition to any pizza from Casa Della Nonna.