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The Jumbo Jack is Jack in the Box's flagship hamburger. It consists of a Jumbo beef patty topped with lettuce, tomato, pickles, chopped onions, Mayo-Onion sauce and ketchup on a sesame seed bun.[1] According to the company, it was named Jumbo Jack because "it was considered one of the largest burgers in the fast-food industry when it was introduced in 1971."[2] Its name might also be a pun on "Jumping Jack."

The Jumbo Jack featured Jack's Secret Sauce until May 1999, when the condiment was replaced by ketchup.[2]

Derivatives[]

  • The Jumbo Jack With Cheese is a Jumbo Jack with two slices of American cheese placed above and below the beef patty.[3]
  • The Jr. Jack (not to be confused with Jack, Jr.) is essentially a smaller-sized Jumbo Jack.[4]
  • The discontinued Double Jumbo Jack was a Jumbo Jack with two beef patties.
  • Jumbaco consists of a Jumbo Jack sandwiched between two tacos.

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References[]

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