Romanian-style Biscuits

Description
In Romanian: Pesmeciori

Ingredients

 * 5 oz/140 g butter,
 * 5 oz/140 g confectioner's sugar,
 * 3 yolks,
 * 1 egg white,
 * 1 teaspoon vanilla,
 * 2 tablespoons ground walnuts,
 * 1 tablespoon granulated sugar,
 * flour as needed

Directions

 * 1) cream the butter with the Sugar, add the 3 yolks one by one, vanilla, ground walnuts and flour as needed, kneading quickly, to make a soft dough.
 * 2) Make patties about half an inch thick and 2 inches diameter.
 * 3) Place on a baking sheet, wash with beaten egg white and sprinkle with walnuts mixed with granulated sugar.
 * 4) Bake at medium heat.