For the filling, wash the orange with hot water, grate dry and grate the peel thinly. Puree the chestnuts. Knead chestnut puree, vanilla sugar, pine nuts, 2 tablespoons sugar, crème fraîche and orange peel. Flavour with cinnamon. Wash apples and cut out cores. Spread the chestnut filling into the apples
Place the apples in an ovenproof dish. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 1 hour
Meanwhile boil 450 ml milk. Stir sauce powder, 2 tablespoons sugar and 50 ml milk until smooth. Stir into the boiling milk, bring to the boil and simmer for 1 minute while stirring. Remove from the stove. Let cool off while stirring several times. Arrange apples and sauce on plates. Sprinkle with cinnamon sugar. Add the rest of the sauce
Preparation time approx. 1 hour 20 minutes