what a burger

It seems like the question might have been incomplete or a mistake. However, based on the search results, "What-a-Burger" is a regional fast food restaurant chain that specializes in hamburgers. It was founded by entrepreneur brothers Jack Branch and Paul E. Branch Jr. and is known for its large burgers and limited menus compared to larger chains. The chain has locations in various states, and customers can order online for delivery or curbside pickup.