Pizza restaurants are dining establishments that specialize in serving pizza, a popular dish made of a round, flat base topped with various ingredients such as cheese, tomato sauce, and a variety of toppings like pepperoni, vegetables, and seafood. These restaurants can range from casual takeout spots to more formal sit-down venues, often offering a variety of crust styles and sizes to cater to different preferences. Many pizza restaurants also provide additional menu items, including salads, pasta, and desserts. Some establishments focus on specific styles of pizza, such as Neapolitan, Chicago deep-dish, or New York-style. Additionally, many pizza restaurants offer delivery and takeout services, making it convenient for customers to enjoy their meals at home.