Thumbprint Cookies
["1/4 c. soft shortening", "1/4 c. soft butter", "1/4 c. brown sugar", "1 egg yolk", "1/2 tsp. vanilla", "1 c. sifted flour", "1/4 tsp. salt", "slightly beaten egg whites", "finely chopped nuts (3/4 c.)", "chopped candied fruit, sparkling jelly or tinted confectioners sugar icing"]
["Mix thoroughly the shortening, butter, brown sugar, egg yolk and vanilla. Sift together and stir in the flour and salt.", "Roll into 1-inch balls.", "Dip in slightly beaten egg whites.", "Roll in the nuts.", "Place about 1-inch", "apart on ungreased baking sheet. Bake in a 375\u00b0 oven for 5 minutes.", "Remove from oven. Quickly press thumb gently on top of each cookie. Return to oven and bake 8 minutes longer.", "Cool.", "Place a bit of chopped candied fruit, sparkling jelly or tinted confectioners sugar icing in thumbprints.", "Makes about 2 dozen 1 1/2-inch cookies."]
["soft shortening", "butter", "brown sugar", "egg yolk", "vanilla", "flour", "salt", "egg whites", "nuts", "candied fruit"]