Pizzeria Uno is a popular restaurant chain known for its deep-dish pizza, which originated in Chicago. Founded in 1943 by Ike Sewell and Ric Riccardo, the restaurant offers a unique style of pizza that features a thick crust filled with cheese, toppings, and a chunky tomato sauce on top. In addition to deep-dish pizza, Pizzeria Uno serves a variety of other dishes, including thin-crust pizza, pasta, salads, and desserts. The restaurant aims to provide a casual dining experience, making it a favorite spot for families and friends to enjoy a meal together.