KTIV News 4 Sioux City IA: News, Weather and SportsPeanut butter...burgers?

You like peanut butter. You like hamburgers. But peanut butter on a hamburger? Well, the folks at a West Lafayette, Indiana burger joint claim it's good!  Triple-X Family Restaurant is in the running for the best burger in Indiana. The sandwich, called the "Duane Purvis" includes a thick layer of peanut butter on a sirloin burger. Indiana tourism leaders are conducting the contest ahead of hosting the Super Bowl. Fans get to make the decision by voting online.