In celebration of National Cheeseburger Day, Jack in the Box is offering a free Jumbo Jack Cheeseburger with any purchase through the brand’s app from Friday, September 18 through Sunday, September 20, 2020.
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To score the deal, simply make any purchase through the Jack in the Box mobile app during the promotion period and you’ll qualify for a free Jumbo Jack Cheeseburger on the house.
The Jumbo Jack Cheeseburger features a pure beef patty topped with two slices of American cheese, lettuce, tomato, pickles, chopped onions, real mayonnaise, and ketchup on a buttery bakery bun.
Jack in the Box’s National Cheeseburger Day promotion is valid at participating locations nationwide for a limited time.
National Cheeseburger Day is celebrated every year on September 18.
Image – Jack in the Box