Spaetzle is basically a noodle. Throw together egg, flour and salt (maybe some water to thin it out) and force it through a mold.Anything with holes can be used as a mold (for instance, I've used my old metal colander and that would work fine).paetzle is basically a noodle. Throw together egg, flour and salt (maybe some water to thin it out) and force it through a mold.