Los Angeles — FAT (Fresh. Authentic. Tasty.) Brands Inc., parent company of Fatburger, Buffalo’s Express and 15 other restaurant concepts, has inked a new development deal to open 10 new franchised locations in Puerto Rico. Franchisee Conceptos Restaurants LLC is leading the deal to bring Fatburger and Buffalo’s Express to the island with the restaurants set to open over the next 5 years. “2022 has been a strong year of growth for Fatburger and Buffalo’s Express with new development deals in Alaska, Arkansas, Florida, and now, Puerto Rico, and we …