110 g of powdered sugar
50 g flour
60 g butter
4-5 tbsp milk (if the dough be very hard)
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Dedicating egg whites from the yolks. Beat the egg whites to snow. Melting the butter and stir it with sugar and vanilla in a thick cream, add egg whites, egg yolks, flour and mix thick dough. If a solid, add a little milk until a mixture which can be added to the syringe. Use nozzle flat opening. Spraying long strips about 5-6 cm on a tray, covered with baking paper. Bake in a preheated 200 ° C oven for 7-8 minutes, until edges of cookies browned. The touch initially must be mekichki and less sticky. When cool, become hard and crunchy. * From this mixture baked three large rectangular trays.