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First Look Inside New Shake Shack Opening on Michigan Avenue (PHOTOS)

 Take a sneak peek at the new Shake Shake opening Thursday in the Chicago Athletic Association Hotel at 12 S. Michigan Ave. 
Michigan Avenue Shake Shack
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MILLENNIUM PARK — Shake Shack will be flipping patties this week on Michigan Avenue about six months after opening its first Chicago restaurant in River North. 

The second Shake Shack in Chicago is scheduled to open at 11 a.m. Thursday in the new Chicago Athletic Association Hotel, 12 S. Michigan Ave.

Like its River North predecessor, the new Shake Shack will include ingredients from local shops Glazed and Infused, Intelligentsia Coffee, and Bang Bang Pie Shop in its extra-thick frozen custard "concrete" milkshakes. The menu also includes ShackBurgers with cheese ($5.19 for a single, $7.99 for a double), "Shack-cago" dogs ($4) and house beer and wine. 

Once open, the Shake Shack will be the ground-floor tenant at the new hotel, which will also include rooftop restaurant/bar Cindy's and restaurants from Chicago-based Land and Sea Dept., the team behind Longman & Eagle and Parson's Chicken & Fish. The hotel is a conversion of a 13-story Venetian-Gothic building first built in 1893. 

Friends and family dining at a preview event Tuesday [DNAinfo/David Matthews]

"I can't imagine anyone who wouldn't want to be in this space," said Matt Meyer, area director for New York-based Shake Shack. "It's very flattering we're the first thing people will see when they come into this amazing hotel." 

Dave Matthews details the 1893 building Shake Shack is moving into:

Shake Shack hours will run from 11 a.m. to 11 p.m. Sunday through Thursday, and 11 a.m. to midnight Friday and Saturday. The restaurant will seat about 90 people inside, with an outdoor patio across the street from Millennium Park seating about 25, Meyer said.

Here's some more shots of the restaurant before it opens Thursday. 

Inside seats about 90 [all photos by DNAinfo/David Matthews]

A chandelier in the elevator bay off Shake Shack.

A cashier serving a guest Tuesday.

The kitchen at Shake Shack.

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