Smashburger Truffle Mushroom & Swiss Chicken Sandwichs contain between 580-780 calories, depending on your choice of option. The option with the fewest calories is the Grilled Truffle Mushroom & Swiss Chicken Sandwich (580 calories), while the Crispy Truffle Mushroom & Swiss Chicken Sandwich contains the most calories (780 calories).
Choose from the options below to see the full nutrition facts, ingredients and allergen information.
