Mix soft butter with powdered sugar and vanilla sugar. Then add one egg after each, whisk the mass with a whisk.
Then sift the flour along with starch and baking powder.
Knead the dough, cover with cling film and refrigerate for half an hour.
Take the dough out of the refrigerator and divide it into balls the size of a walnut, you should get about 50 pcs. Put the balls on the parchment covered with parchment, take a tube or a plastic bottle, dip the neck in cocoa and press the ball exactly in the middle so that the dough will press slightly into the hole so do the rest of the dough.
Bake the mushrooms in a preheated oven to 180 degrees for about 15 minutes.
Cool and serve cookies.
Champignon cookies turn out to be very tender and crumbly, it is prepared very simply and quite quickly, and it looks very impressive and interesting. Children will like these cookies very much, you can also lure them into the cooking process. The ingredients for this cookie are available and can be found at any time.