AQ restaurateur Matt Semmelhack and chef-partner Mark Liberman have been a major expansion project at the Twitter building (a.k.a. Market Square at Market and 10th) for well over two years now, with the first hints arriving way back in 2012. It's called Bon Marché Brasserie, SFist had it among the most anticipated openings of this year, and according to Inside Scoop, it looks like the place will actually make it open in the first half of this year, sometime in June.

The 7,500 square foot space reportedly has a "massive" open kitchen in the middle of it, and will be subdivided into a cafe space, a flower shop, a bar area, and a 72-seat full-service restaurant.

Semmelhack is promising "reasonable" prices and "updated French brasserie classics like raw bar offerings, steak tartare, moule frites" and more.

Bon Marché — named both for the Market Square building and for the famous Parisian department store — will join the Whole Foods-esque Market on Market at the other Market Street-facing corner of the building, which opened in January, and the other upcoming food-and-drink spots Dirty Water (the restaurant-bar project from Ziryab bar manager Zachary Brian Taylor and beverage geek Kristian Cosentino); and the revival of the long-gone SF classic Mexican spot The Cadillac Bar and Grill, from original owner Michael Rodriguez. The latter is headed for an 8,000-square-foot space at Ninth and Jessie, but the timeline is still unclear.

Previously: Photos: The Market On Market, A Massive Home-Grown Food Hall In The Twitter Building