Ignite Restaurant Group will acquire Romano’s Macaroni Grill from equity firm Golden Gate Capital for about $55 million, according to the Houston Chronicle. Houston-based Ignite operates 129 Joe’s Crab Shack restaurants and 15 Brick House Tavern & Taps. Macaroni Grill was founded in 1988 and today operates 186 company-owned eateries, five domestic franchises and 19 international units.