http://3gwn24bmkgepupahneplrh24iu7oiodl3gvxf2p6x3l2athij6vjsrad.onion/posts/snacks/sausage-and-egg-mcmuffin.html
They've also shared a recipe for a Hash Brown so that we can have one of those on the side. It's probably the simplest of their recipes that they could have shared, and does seem to taste pretty close to what you get in one of their branches (though, unsurprisingly, isn't nearly as convenient to make as it is to order).