Polish Pastries1 Servings. Ingredients4 cups flour1/2 teaspoon salt1 cup butter or margarine3 egg yolks1/2 cup sour cream1 teaspoon vanilla1 package yeast3 egg whites1 cup sugar3/4 cup pecans (or walnuts) ground1 teaspoon vanillaDirectionsSift together the flour and slat in a large bowl.cut in butter until particles are the size of small peas.Blend together the egg yolks, sour cream, vanilla, and yeast.Mix well.Add to the flour mixture.Stir to form dough.Chill somewhat (about 1/2 to 1 hour).Divide dough into 4 parts.Roll each part on board dusted with confectioner's sugar.Roll into 11" round circle about 1/8" thick.Cut into wedges (8).Spread with filling (see below).Roll each wedge, starting from wide edge and roll to a point.Place point side down in greased baking dish, curving ends a bit to form a crescent.Bake at 350° for 25 to 30 minutes until lightly browned. Watch closely while baking that undersides do not burn.Filling:Beat egg whites until stiff straight peaks form when beaters are raised.Add sugar and beat until stiff peaks form.Add ground pecans and vanilla. Fold in to blend well.Category: Desserts