With a mixer beat the butter and sugar until creamy.

Add the zest, egg yolk, juice and nuts. Beat in a homogeneous mass.

Metal spoon to enter the sifted flour and knead the dough. Flatten the dough into a ball, wrap in cling film and place in the refrigerator for 15-20 minutes

Divide the dough in half. One half roll out to a thickness of 4 mm. Cut out dough circles with a diameter of 3 cm I did the molds for cookies (not only circles, but also squares and stars, as did together with Sonny) With the other half of the dough to do the same. Cut out shapes to put on the baking tray lined paper for baking (I have 2 turns of the pan). Bake for 10 minutes in a preheated 180 degree oven, until cookies are Golden. Remove the oven and place on cooking rack to cool Prepare the glaze. Mix the sifted icing sugar, butter and lemon juice. Mix thoroughly. Transfer to a pastry bag. Squeeze the frosting to the cookies. Here everyone has their own fantasy. Can spirals can slices... in General who in what is ready :)

Prepare coffee cream. In a saucepan, mix sugar, water and instant coffee. Heat over low heat until the sugar has dissolved. Then bring to a boil, reduce the heat and without disturbing and without covering with a lid, cook on low heat for 4-5 minutes. Remove from heat and cool. Beat the butter until light a creamy. Continuing to whisk, a thin stream pour in the cooled butter syrup. Beat with a mixer into a thick, shiny foam. To shift the cream in a pastry bag. Each cookie over frosting to decorate the coffee with cream. Can roses in General... again as someone like that :)