Five Guys is a popular fast food franchise with locations throughout the United States. The Lower Nazareth restaurant is located in the Lower Nazareth Commons Plaza. The menu features burgers, cheeseburgers, hot dogs, French fries and sandwiches. Choice selections include single-patty and double-patty hamburgers, grilled cheese sandwiches and three different types of hot dogs. Patrons can choose to top their burgers with 16 different toppings for free.