cafeteria

a restaurant, typically in colleges, hospitals, etc. where you choose and pay for your meal before carrying it to a table

A caféteria is a casual dining establishment typically found in schools, workplaces, or large institutions, offering a variety of ready-to-eat meals and beverages. Known for its self-service format, people typically line up at food stations or buffet-style counters to select their desired items, which often include a range of hot foods, salads, sandwiches, and desserts. Caféterias prioritize convenience and efficiency, with simple décor and plenty seating to accommodate diners during busy meal times.