Jack In The Box’s popular Sourdough Jack sandwich has upsized its beef and cheese with the limited time arrival of the new Double Sourdough Jack.
Available at participating Jack In The Box restaurants through to October 1, 2023, the Double Sourdough Jack is served with 2 grilled all-beef patties and 2 slices of hickory-smoked bacon.
Sandwiched between 2 pieces of freshly toasted sourdough bread, the Double Sourdough Jack also features American cheese, 2 slices of Swiss-style cheese, tomato, ketchup and mayo.