Had the Classic Cheffini Hot Dog yesterday and I wasn't a big fan...it was...well, Meh. The frank was good, but the toppings did not amplify the dog itself. Mozzarella did not add much to the dog, neither was the crushed potato chips. I sure didn't taste the different texture as described by what this Classic Cheffini supposed to be. The pineapple sauce was blah.
Overall, I'd rather eat a chili cheese dog from Sonic.