"We have been a leader in the breakfast community for so many years it’s very hard to say goodbye," Olde North wrote in a Facebook post.
The store will feature hand-crafted chocolates, toffee and other sweet treats.
The temporary closure of part of Hale Street will start Friday.
The restaurant announced Monday that it will not reopen under its current ownership and is "exploring options."
"It is rewarding to be able to give back in our own unique way," Rachel Goodman of Schmaltz Delicatessen told Patch.
The new express delicatessen opened for curbside pickup Tuesday.
The sub shop will be the fourth the Wisconsin-based chain opens in Illinois.
The restaurant hosted its grand opening on Sept. 22.
The family-friendly restaurant will offer casual eats and craft beer.
The self-guided wine walk features 12 one-ounce tastings throughout town, along with a souvenir glass.
The restaurant will serve up barbecue sandwiches, candy bacon, tater tots, and more.
Here's where to find the best paczki nearby before, during, and even after Paczki Day.
Authentic Italian gelato carts available to cater to any private event
The first 150 customers will get a free gift.
New Gelato Concept to Open November 2018
The limited edition Aurelio's 59th Anniversary Pale Ale will be available starting August 20.
The building was put up for sale after Jack Straw's owner William Hood died in November.
The sub restaurant is running a promotion through Feb. 18 to benefit Wheaton North School Boosters.