Sonic is set to sell a Louisiana-style cheeseburger with the ULM athletics logo stamped on the bun in edible food coloring. The Warhawk themed burgers will go on sale for $3.99 starting Aug. 29. It will include Onion Tanglers, Pepper Jack cheese, Tabasco brand spicy mayonnaise and Tony Chachere’s creole seasoning. The burgers will only be available at participating Sonic restaurants in the Monroe area.