Clean the Brussels sprouts, halve them according to size. Cook the sprouts in boiling salted water for 15-20 minutes. Shortly before serving, toss in hot fat and season with nutmeg. Peel and wash potatoes and cook in boiling salted water for about 20 minutes. Wash cutlets and pat dry. Halve the orange, peel one half, cut into 4 slices and cut them in half. Squeeze the remaining half.
Season cutlets with salt and pepper. Cover each cutlet with 1/2 orange slice, fold over and pin with a wooden skewer. Fry escalopes in hot oil while turning for about 8 minutes. Deglaze with squeezed orange juice and stock. Stir in jam. Season to taste with salt and pepper. Serve garnished with parsley