Put flour, 60 g sugar, salt, 50 g butter and 2 eggs into a mixing bowl. Warm the milk lukewarm, dissolve the yeast in it and also put it into the mixing bowl. Knead with the dough hooks of the hand mixer for about 2 minutes to a smooth yeast dough. Cover and leave to rise in a warm place for 30-40 minutes
For the compote, wash and halve the plums and remove stones. Cut the plums into small pieces. Boil up juice and 20 g sugar in a pot. Stir starch and 1 tbsp. water until smooth. Add starch to the juice and simmer for about 1 minute. Add plum pieces, remove from heat and let cool
Roll out the yeast dough on a floured work surface and cut out approx. 11 circles (each approx. 9 cm Ø). For this, knead the dough residues again and roll out again. Let the dough circles rise again for about 15 minutes. Place 1 tsp. plum compote in the middle of each circle. Press the circles together from the edge. Place the filled dough pieces in a greased, ovenproof dish with the smooth side facing upwards. Melt 10 g butter in a small saucepan. Spread the pastry on the cakes. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) on the 2nd rack from below for approx. 40 minutes. Take out and let cool in the tin for about 15 minutes
Meanwhile, for the zabaglione, mix the egg yolks, 1 egg and 120 g sugar in a metal bowl with a whisk until creamy. Whip the metal bowl over a warm water bath. Add Madeira bit by bit. Beat the mixture until it has about doubled in volume. Sprinkle icing sugar over the pastry and serve with the zabaglione
Waiting time approx. 45 minutes