The Cheesy Caramelized Onion Smash features Certified Angus Beef, melted cheddar cheese, aged Swiss cheese, caramelized onions, tomatoes, lettuce, mayo, all on a toasted onion bun.
When ordering the new The Cheesy Caramelized Onion Smash, fans will also have the choice of swapping out the Certified Angus Beef patty for any of these protein options: Grilled Chicken, Crispy Chicken, Turkey Burger Patty or Black Bean Patty.
In addition to the new Cheesy Caramelized Onion Smash, Smashbuger is also welcoming three new milkshakes, including the Tangerine Dream, S’mores made with Ghirardelli, and Reese’s Pieces Cookie Dough.
- Tangerine Dream: Hand-spun Tangerine milkshake with Häagen Dazs ice cream.
- S’mores made with Ghirardelli: Hand-spun S’mores milkshake mixed with Ghirardelli chocolate and Häagen Dazs ice cream.
- Reese’s Pieces Cookie Dough: Hand-spun Reese’s Pieces Cookie Dough milkshake with Häagen Dazs ice cream.
The new Cheesy Caramelized Onion Smash and new milkshakes can be found at participating locations nationwide for a limited time.
Images courtesy of Smashburger