Core Insights - Portillo's is launching a "Season of Surprises" holiday promotion for its loyalty program, Portillo's Perks, featuring free menu items, discounts, and exclusive offers throughout December [1][2] Promotions and Offers - The promotion begins with a free small Candy Cane shake with a minimum $5 purchase available until December 7, with additional deals to follow [2] - New members of Portillo's Perks can receive a free large French fry with their first order of $5 or more [3][4] Company Overview - Portillo's has expanded from a small hot dog trailer in Chicago to over 100 restaurants across 11 states, offering a unique menu that includes Italian beef sandwiches, Chicago-style hot dogs, and more [5] - The company operates a model focused on providing an experience that includes dine-in, drive-thru, takeout, and delivery options [5] Loyalty Program - Portillo's Perks allows guests to earn and redeem rewards, with exclusive perks and surprise offers available through the program [6]