A Quick Service Restaurant (QSR) is a type of eatery that focuses on providing fast food and quick service to customers. These establishments typically have a limited menu, allowing for efficient preparation and delivery of meals. QSRs often feature drive-thru options and counter service, making it easy for customers to grab food on the go. Popular examples of QSRs include chains like McDonald's, Subway, and Taco Bell. QSRs are designed to cater to busy individuals and families looking for convenient meal options. They emphasize speed, affordability, and consistency, often using standardized recipes and processes. Many QSRs also offer value meals and promotions to attract customers, making them a popular choice for those seeking a quick bite to eat.