In a bowl, mix warm milk, 1 tsp sugar and yeast, cover and let stand for 10 minutes. Pour flour, sugar, vanilla sugar and salt into the mixer bowl. Mix. Add a mixture of milk and yeast. Mix. Add egg yolks. Mix. Add oil, cut into pieces. Knead at speed 1 for 5 minutes and speed 2 for 10 minutes. Cover with a napkin and leave it in a warm place until the dough doubles in volume. Divide the dough into 2 or 3 parts. Roll it as possible on a floured surface.
Cut circles 8-10 cm in diameter.
Connect 3 circles of dough with each other. Roll them tightly together. Then cut in the middle with a knife. You will get two flowers.
Put the flowers in shape. Cover and let rest for another 45 minutes. The dough will still grow. Preheat the oven 180 ° C. Bake for about 25 minutes.
After baking, sprinkle with powdered sugar.
Have a nice tea party !!!