Cut the potatoes into thin slices. Boil in salted water until half cooked. Cut the onion into half rings.
Remove the core from the apples and cut them into the same rings or half-rings.
Fry the bacon until lightly browned, remove and place on a napkin to remove excess fat.
Lightly fry the apples on both sides in butter.
Mix cream with grain mustard, soy sauce and nutmeg. Grease the baking dish with oil. Spread, alternating rows, potatoes, apples, bacon. Fill with cream, cover the form with foil and send it to the oven for 25 minutes at 200°C. Then remove the foil and hold for another 15 minutes until lightly browned.
