Hungarian Nut Crescents
["2 c. flour", "1/8 tsp. salt", "1 c. butter or margarine", "2/3 c. sour cream", "1 egg yolk", "1/2 tsp. vanilla", "2/3 c. chopped nuts", "2/3 c. sugar", "1 tsp. cinnamon", "1 egg white, slightly beaten"]
["Mix salt with flour in bowl.", "Cut in butter until mixture makes coarse crumbs.", "Blend together in separate bowl sour cream, egg yolk and vanilla.", "Gradually add to flour mixture, mixing well.", "Chill until firm enough to handle, about 3 1/2 to 4 hours. Divide dough into 3 parts.", "Roll each part on a lightly floured board into a 9 to 10-inch circle about 1/8-inch thick.", "Cut each circle into 12 wedges.", "Mix nuts, sugar and cinnamon and sprinkle 3/4 of the mixture over the wedges.", "Roll from widest end to the point.", "Brush with egg white and sprinkle with remaining nut mixture.", "Bake on greased baking sheets at 350\u00b0 for 18 to 20 minutes.", "Yield: 3 dozen."]
["flour", "salt", "butter", "sour cream", "egg yolk", "vanilla", "nuts", "sugar", "cinnamon", "egg"]