To celebrate M Burger’s 9th birthday on Wednesday, March 20, they’re giving out one free single cheeseburger with any purchase (fries, a drink, anything!) at all Chicagoland M Burger location (161 E. Huron, 5 W. Ontario, Atrium Mall, Water Tower Place & Aurora).

In addition, guests can enter for a chance to win M Burger Shakes for a year, by texting “Birthday2019” to 70717 from Friday, March 15, 9:00 AM CST – Wednesday, March 20, 9:00 PM CST.