For a very long time, the Jack within the Field Sourdough Jack was my fast-food holy grail. I used to be simply seven years outdated on my first go to to a Jack within the Field in California.
I used to be there with my sister, visiting my grandmother (my dad’s mother). We hadn’t seen her in years, and truthfully, I don’t bear in mind a lot else from that journey. However I do bear in mind the go to to Jack within the Field.


Over the following 16 years, till my grandmother handed, I most likely ate at Jack within the Field one other six or seven occasions. Towards the top, I went on my own, and it was then that I first tried the Sourdough Jack. That burger caught with me.
Desk of Contents – Jack within the Field in Florida
Jack within the Field is Again in Orlando


Again in July 1979, Ralston-Purina pulled the plug on all 279 Jack within the Field areas within the Southeast, wiping out 1 / 4 of the chain’s models on the time. By the top of 1980, each Florida location in Bradenton, Orlando, St. Petersburg, Sanford, Tallahassee, and Tampa was gone.
Now, after greater than 4 many years, Jack within the Field is lastly making its return to Florida. The primary new eating places are scheduled for early 2026:
- January 2026 – 815 W State Rd 434, Longwood (former Wendy’s)
- February 2026 – 5324 S John Younger Parkway, Orlando (former Burger King)
That is huge information for anybody who has been ready for the reason that Nineteen Eighties for Jack within the Field to come back again.


What’s a Sourdough Jack?


It’s a quarter-pound beef patty layered with two slices of Swiss cheese, bacon, tomato, mayo, and ketchup on toasted sourdough bread. Positive, Jack within the Field has tacos, breakfast burritos, and curly fries, however the Sourdough Jack is the rationale I preserve going again.
Will my sourdough obsession ever finish? Most likely not. I don’t have a Jack within the Field close to me, so once I see one on a street journey, I don’t even think about ordering anything.


Historical past of Jack within the Field Eating places
Early Beginnings (Topsy’s and Oscar’s Drive Inn)
Jack within the Field’s story goes again to the Forties, when Robert Oscar Peterson opened a small San Diego chain referred to as Topsy’s Drive-In. Inside a number of years, he rebranded a handful of areas as Oscar’s Drive Inn, full with circus-themed décor and clown imagery. By 1947, Peterson had additionally bought the rights to a brand new intercom ordering system pioneered in Alaska — an innovation that might change quick meals ceaselessly.
Delivery of Jack within the Field (1950 Launch)
By August 1950, Peterson unveiled one thing totally new: Jack within the Field. The San Diego restaurant featured a drive-thru window paired with an intercom, making it one of many first chains designed for the automotive tradition growth. A clown head atop the speaker field greeted clients with the phrase, “Pull ahead, Jack will communicate to you.”
Growth and Challenges (Nineteen Sixties–Nineteen Seventies)
The model took off. Throughout the Nineteen Sixties, Peterson shaped Foodmaker, Inc., Jack within the Field’s dad or mum firm, and expanded into Arizona and Texas. By the mid-Nineteen Seventies, there have been greater than 1,000 Jack within the Field areas, many marketed with cheerful TV commercials starring little one actor Rodney Allen Rippy.
However fast development got here at a price. To stabilize, the corporate offered off lots of of eating places in markets like Florida, Chicago, Detroit, and Kansas Metropolis. By 1979, each Florida Jack within the Field was shuttered.


Reinvention within the Nineteen Eighties
Throughout the early Nineteen Eighties, Jack within the Field overhauled each its menu and advertising and marketing. The corporate aimed for a extra grownup, upscale crowd, including specialty sandwiches and redecorating its eating places. One notorious TV marketing campaign actually blew up the outdated clown mascot, with somewhat outdated girl shouting: “Waste him!”
The adjustments labored. In 1989, Jack launched the Sourdough Burger, later renamed the Sourdough Jack, a sandwich that continues to be a cult favourite at present. Franchising additionally started in 1982, and by 1984, gross sales almost doubled from simply 4 years earlier.
The Identify Change Fiasco
In 1985, Jack within the Field briefly experimented with rebranding. About sixty eating places have been renamed Monterey Jack’s, full with “No extra clownin’ round” T-shirts for workers. However clients ignored the brand new title, and by Might 1986, the experiment was over — each location went again to being Jack within the Field.


That very same yr, a management-led buyout took the corporate non-public. Jack within the Field doubled down on burgers but additionally launched aspect legends like seasoned curly fries, which grew to become a everlasting menu merchandise.
The Rise of Jack Field
By the Nineteen Nineties, the model leaned into a brand new identification: Jack Field, the sharp-suited, oversized-headed mascot modeled after the unique clown head. Launched in 1994, Jack Field was offered as the corporate’s fictional founder and CEO. His first advert marketing campaign? Blowing up Jack within the Field’s board of administrators, a intelligent callback to the mascot’s earlier demise.
Jack Field’s offbeat humor caught, and he’s been the face of the chain ever since.
Quirky Info About Jack within the Field
- Whereas the chain is thought for burgers, its tacos outsell every part else and in 2017 alone, they offered 554 million tacos.
- The return of Jack Field sparked a craze for antenna balls within the late ’90s, with greater than 28 million handed out.
- In 2004, Jack tried a fast-casual experiment referred to as JBX Grill, that includes fireplaces and pricier meals. It flopped and was passed by 2005.
- In 2015, Jack within the Field earned a Guinness World File for the world’s largest coupon: a 2,000-square-foot BOGO voucher for the Buttery Jack. Workers actually needed to carry it via the drive-thru.