Peel and finely chop the garlic. Mix with 350 g cream, salt, pepper and nutmeg. Grate cheese. Peel and wash potatoes and slice them thinly. Fan out into six small or one large greased dish.
Sprinkle with cheese, pour cream over it. Bake in the preheated oven (electric oven: 200 °C/circulating air: 175 °C/gas: level 3) on the oven bottom (gas see oven manufacturer) for approx. 40 minutes.
Clean broccoli, wash it, cut it into florets. Dab meat dry, season with salt and pepper, wrap with bacon. Roast almonds in a pan without fat, take them out. Heat the oil in the pan.
First fry pork fillets all around, then medallions on each side. Slide the pork fillet on baking paper on the grill over the gratin. Fry for about 20 minutes, medallions 10-15 minutes.
Wash the rosemary, pluck the needles. Peel and chop the shallot. Steam both in hot frying fat. Deglaze with cognac, stock and 150 g cream, bring to the boil. Stir starch and 2 tablespoons of water until smooth. Thicken the sauce with it.
Stir in peppercorns. Season to taste.
Meanwhile cook the broccoli in boiling salted water for about 6 minutes. Drain and sprinkle with almonds. Cut the pork fillet open, arrange everything.