4C Restaurants, Gaslight and Highline, Celebrate National Burger Month with Free Burger Specials

May kicks off National Burger Month and Chicago restaurants are finding ways to celebrate. Throughout the month of May, Gaslight in Lincoln Park and Highline in River North will be offering free burgers every Friday with a purchase of a beverage. Stop by either 4C restaurant on Fridays in May for a free burger with a purchase of a beverage (while supplies last).