Sister Concepts Double Down on Co-Branded Experience LOS ANGELES, Nov. 01, 2024 (GLOBE NEWSWIRE) -- FAT (Fresh. Authentic. Tasty.) Brands Inc., parent company of Great American Cookies, Marble Slab Creamery and 16 other restaurant concepts, announces the launch of a brand new app experience and loyalty program for sister brands Great American Cookies and Marble Slab Creamery – the Great American Cookies and Marble Slab Creamery Rewards App. The Great American Cookies and Marble Slab Creamery Rewards app cre ...