butter the buns and add to the grill to grill the buttered inside of bun. Spread a coat of peanut butter in the grilled bun while still very hot (This is the key) Bun has to be hot as well as the dog so it melts.
add any condiments and feel free to gross out your friends. It is as good as if not better than hot peanut buttered toast. But only you have to know that.