Burger Theory opened Oct. 31 in the Holiday Inn and Suites hotel. Located at 25403 Katy Mills Parkway, Katy, the restaurant primarily serves burgers but also offers entrees such as steaks, salads and breakfast from 6-10 a.m. 281-712-2363. www.facebook.com/Burger-Theory-KatyNow-Open-278972035925553/