Nut Filling *

* Nut Filling: Combine 1 pound ground walnuts with 1/2 cup sugar; add 2 to 3 beaten egg whites, just enough to hold nuts together. Reserve.....

Prepare Cookies; Mix flour, salt and sugar together; add butter and mix like pie dough. Add egg yokes and sour cream mixture; mix well. Shape dough like a meatloaf; wrap and refrigerate overnight... The next day, working with small sections of the dough (keep rest cold), roll out as thinly as possible, at least 1/8 inch; use a mixture of powdered confectioners sugar and flour on surface. Cut out diamond shapes, 2 to 3 inches square.

To Assemble; Place a scant teaspoon of filling on center of each diamond; roll from one corner to another corner; shape into crescent. Bake on top rack of oven at 375 degrees for 10-15 minutes or until lightly browned; Watch them carefully...