...Billy Sims Barbecue Sauce and Selmon Brothers Barbecue Sauce.
But these Sooner greats aren't just to be found in the stores. Heisman Trophy winner Billy Sims has a barbecue place at the Farm Shopping Center now, where the dishes are named after the opponents of the Sooners -- e.g., the beef brisket plate is the Bevo Plate. And Outland Award winner Lee Roy Selmon (youngest brother of Lucious and Dewey) has a couple of theme restaurants in the Tampa area, where he played pro football.
In the course of "researching" this story, I came across this funny Oklahoma retelling of Hansel and Gretel -- "Harold Dean and Grettie Mae." You'll find four more Okie fairy tales linked from this page. They made me laugh so hard my wife figured out I wasn't working and told me to do some chores. Darn it.