Mark's Gourmet Burgers grounds its own grass-fed, 100 percent certified Angus beef at the restaurant for its fresh hamburgers and serves them with a variety of toppings to please the entire family such as horseradish, roasted garlic, MGB's sauce and dill pickles. Veggie and steak sandwiches, salads and milkshakes are also served and free delivery is offered for orders of $10 or more.