Peel and chop the onion. Wash the apple and dice the pulp. Wash the meat, dab dry and season with salt. Heat 4 tablespoons of oil in a frying pan and fry the meat in it in 2 portions on each side for about 2 minutes each. Take out and cook in the preheated oven (electric cooker: 100 °C/ convection oven: 75 °C/ gas: see manufacturer) for approx. 15 minutes.
Sauté the onion and apple cubes in the frying fat for about 2 minutes. Deglaze with apple juice, bring to the boil and simmer for about 5 minutes. Meanwhile wash potatoes thoroughly and cook in boiling water for about 20 minutes.
Mix herbs and 2 tablespoons of oil. Season with about 1/4 teaspoon salt. Clean and wash spring onions and cut into rings. Season sauce with mustard and refine crème fraîche. Drain finished potatoes, add herb oil and toss potatoes in it. Arrange chops with sauce and herb potatoes on tels.