At the Triple X restaurant, they cook up a burger called the Duane Purvis, using peanut butter. The sandwich includes a thick layer of the spread, on a sirloin patty.
They're hoping to win the title as the "Best Burger In Indiana." The owners say it's the best of both worlds for people who like peanut butter and burgers.
It's part of a contest being put together by Indiana Tourism Leaders ahead of the Super Bowl. Fans get to make the decision by voting online.