With lemon to remove the zest. Knead the dough without lumps of butter, sugar, egg yolks, a pinch of salt and flour. If the dough is very crumbly, add a little fruit liqueur, literally 1-2 tsp Wrap in foil and put 1 hour in the cold. Build 2 baking trays with baking paper. Oven heated to 180-200*C – look at my oven. Roll the dough out to a thickness of 3 mm – do not overdo it, too thin to do. Cut out a layer of buttons different sizes and shapes – circles, diamonds, flowers – if you have such a small notch. Spread on a baking sheet. In the center to make circular grooves and drill holes (2, 4 pieces) Chinese wand.

Bake for about 12 minutes. Store in sealed metal boxes, then they during the week will be crispy. PS. Buttons I tried to make color - separated the dough into 3 parts, the first left as is, with the second added a little cocoa and a little got into the batter for marble effect, in the third added a spoonful of the tea powder matсha