subject: Portillos Nutrition [print this page] Portillo's is really a chain of restaurants that specialize in serving Chicago-style food. Portillo's is located primarily all through the Chicago metropolitan stain, and also has two locations in southern California. The Portillo's menu consists of a variety of items, which include Chicago-style hot dogs, Italian beef, hamburgers, sandwiches, ribs, and salads, much too as beer and wine. They also boast dessert items which incorporate chocolate cake and milkshakes, plus a mix of the two, the popular Chocolate Cake Shake.