In advance take out of the refrigerator half the package of butter, so it rasmala at room temperature.
Powdered sugar mixed with 2 egg yolks, add oil and make a smooth paste (it is important to first mix the powder with egg yolks, then it is well mixed with oil).
Shred with a knife or a blender 3 tbsp nuts (if in a blender, add 5 g of sugar that it contains peanut butter).
Combine 1 Cup sifted flour, chopped nuts, grated zest of 1 Mandarin and quickly knead the dough (it will crumble, but after 2-3 minutes of kneading is uniform).
Make dough balls the size of a quail egg, and spread on the surface covered with parchment paper baking sheet. Sent in the freezer for 15 minutes, meanwhile preheat the oven to 180 C. Bake for 12-15 minutes.