I was asked for a typical Dutch recipe and while I can't vouch for its authenticity it is a recipe that came from my grandmother and handed down to my mother down to me. Originally this recipe was used to use up leftover old cheese; as far as I know however no one did this in my family. This recipe is still a favorite in our family and I guess this mash is what's considered comfort food, in any case, it's easy to make and somehow I never seem to make enough. We eat it with a fried egg and pickles.
The cheese we use is probably difficult or impossible to come by outside the Netherlands. We use "belegen" or "extra belegen" Gouda cheese. If you can get your hands on Gouda cheese go for the medium aged one (not the mild/young or old varieties). By the way, feel free to experiment with different kinds of cheese but do take one with a strong flavor, one that melds nicely and is rather salty (so called "American cheese" is wrong if you'd ask me).
You can make this in advance, let's say in the morning, and store in your refrigerator.