Hamburger Mary's, established in 1972 in San Francisco, is a casual dining restaurant chain that maintains more than 10 locations, including one in Chicago. The chain s restaurants serve a variety of sandwiches, starters, salads, desserts and side dishes. It offers margarita, supernova, avocado and meaty mushroom burgers. The chain s menu includes wood-fired pizzas, artichoke dip, chicken breast, calamari, cheeseburgers and turkey. Hamburger Mary's features a range of desserts that includes fruit cobblers, ice cream and apple pies. Through its Very Important Mary program, the chain provides updates on upcoming events. It organizes several live entertainment shows and performances. In addition, Hamburger Mary's supports local charitable organizations.