Mix cream cheese, sour cream and 1 teaspoon each of salt, pepper and paprika with the whisks of the mixer until smooth. Stir in starch. Stir in eggs one after the other. Spread the cheese mixture into a greased springform pan (approx. 26 cm Ø). Bake in a preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer) for approx. 50 minutes. Let it cool down.
Wash duck breast fillets, dab dry and cut the skin in a diamond-shaped pattern, but do not cut through. Heat the oil in a pan. First fry the meat on the skin side for approx. 5 minutes, then turn and fry on the meat side for approx. 2 minutes. Season with salt and pepper and place in an ovenproof dish. Roast in a hot oven (electric cooker: 150 °C/circulating air: 125 °C/gas: see manufacturer) for approx. 12 minutes. Take out and let rest for about 15 minutes.
Wash the thyme, shake dry and remove the leaves. Cut the cheesecake into about 30 squares. Cut meat into approx. 30 thin slices. Place 1 slice of meat on each cheesecake and fix with wooden skewers. Spread mango chutney on top and sprinkle with thyme.