Since introducing its smashed-style burger patty, Jack in the Box has sold 3.5 million ... hickory smoked bacon, tomato, melty Swiss-style cheese, mayo, and ketchup on toasted sourdough bread.

Jack in the Box is debuting a new Big Smashed Jack Burger starting February 13, 2025. The new burger will be available in a limited-edition Big Smashed Jack Combo, per All Recipes. The Big Smashed ...