Cream icing sugar and butter with the whisk of the hand mixer. Gradually add milk, egg, egg yolk, vanillin sugar and salt and mix. Fold in flour. Pour the dough into a piping bag with a large star-shaped spout. Spray curls (5-6 cm Ø) onto 2-3 baking trays lined with baking paper. Put the trays in a cool place for about 1 hour, then bake them one after the other in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 12 minutes.
Take out and let cool down. Finely chop the chocolate coating. Melt the chocolate coating and coconut oil in a bowl over a warm water bath. Dip a part of the pastry and sprinkle with pistachios. Let it set on a cake rack in a cool place
2 hours waiting time