The Bacon Double Cheeseburger at Portillo’s is the best burger for people who love burgers. It has two delicious flame-grilled beef patties with melted American cheese on top and crispy, hardwood-smoked bacon on top. This burger comes on a soft, toasted bread and may be topped with fresh toppings like lettuce, tomato, onions, pickles, ketchup, and mustard. Each bite is rich, robust, and full of flavor. Great for people who are very hungry or want more protein and strong flavor.