Yes!! I know what you're talking about. Mid-1980's, Montgomeryville Mall, Pennsylvania had this. I would always get their "Pepperoni Dog", which was a hot dog with mozzerella cheese, pizza sauce, and pepperoni slices. After putting the toppings on, they would put it in a steamer for about 30 seconds so that the cheese would melt. BEST THING EVER TO DO WITH A HOT DOG!! Somebody needs to resurrect this concept!

This was one of my favorite places when I was a kid - it was in Fashion Fair mall, in one of the spots that's a jewelry store now, across and down a door from the old SF Music Box Shop. Anyone else remember eating there? I've never been able to figure out if it was local or a chain or what.