What do you do with mustard, anyway? You had it in your refrigerator but nixed it on pretzels, nixed it on sandwiches, and now, nixed for french fries! Is that jar just for decoration? I thought Germans LOVED mustard! LOL
Mustard is for Wurst. And since we Germans have a huge variety of Wurst and eat it often, we eat mustard often.
From left to right: Bierschinken, Lyoner, geräucherte Rohwurst, Weißwurst, Bratwurst and Wienerle.
The last kind, Wienerle, is used for hot-dogs. And mustard, mayo and ketchup all belong on a hot-dog.
I also use mustard as a spice for a vinaigrette and I spread it thinly on roulades before I fill them.
So, it's not only for decoration
Here's a picture, from the New York Times. Cheese fries are a regional thing. I doubt you could buy them here in Maine, and you could never find them with gravy.
Doesn't look too inviting .... but I'd try it anyway (as long as it's not cheese from a tube)