Cream is prepared by the three egg whites are broken down in a dry container with 200 g of sugar to thicken. Add marmalade, broken walnuts and lemon peel. Divide into two parts. The dough is prepared by stir the butter with the sugar, gradually add the egg yolks and broken down to graying. Add 3 tbsp milk and flour mixed with baking powder. Involved soft dough and is divided into 3 parts, one of which is significantly greater than the other. Both parts are left in the freezer to firm. The third largest part of the dough is kneaded with the remaining milk and spread in a medium pan. Pour one part of the cream, scraping the top one half of the dough, cream again, and top grate the rest of the dough. Bake in preheated oven until ready and once cool, cut into rhomboids.