Cook the penne in salted water until al dente, drain. Empty the creamed spinach into the same pan, heat through while stirring. Return the pasta to the pan, mix. Add the baby spinach, mix in.
Heat the clarified butter in a frying pan. Crack the eggs one after the other, slide into the pan, fry for approx. 2 mins. over a low heat. Season the fried eggs, serve on top of the pasta, grate the cheese over the top.