LOS ANGELES, CA - MARCH 12: A Costco sign is displayed on March 12, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
Some Costco locations are serving up a new burger -- and it’s causing chatter beyond the food court.
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Observations of the new burger have circulated for weeks, and it’s making headlines because food critics are comparing it to a Shake Shack burger.
Shake Shack, a popular chain that hasn’t made it to the northwest U.S., builds its burger with all-natural Angus beef, a “Chicago-style” potato bun, the Shack's sauce, which is made up of mayo, dijon mustard and dill pickle brine.
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“The final product looks nearly identical to Shack's beloved burger, though the ingredients are slightly different,” wrote Delish.com's Rheanna O’Neil Bellomo, who simply called it a “Shake Shack copycat.”
Ingredients in the 1/3 pound Costco burger are reported to be an organic beef patty, topped with romaine lettuce, and smoke Thousand Island dressing.
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When the Seattle Times checked in with Costco Corporate about Seattle as a test market, it wouldn’t confirm the cheeseburger. But a reporter found one for sale at the Costco location in SoDo, costing a modest $4.99 and not-so-modest 1,140 calories.
According to Eater, the burger is in a localized testing phase.
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