1/2 c. butter, softened
1/2 c. sugar
1 tsp. vanilla
1 egg, separated
1 1/4 c. flour, sifted
2/3 c. walnuts, chopped
Raspberry jam, no seeds

Beat butter, sugar, vanilla and egg yolk in medium bowl with electric mixer at high speed until light and fluffy. Stir in flour; gather dough into ball; wrap in foil. Refrigerate until firm. Roll teaspoons of dough into balls. Dip in slightly beaten egg white and roll in chopped nuts. Place on ungreased cookie sheets 1 inch apart. Make indentation in cookie and fill with jam. Bake in slow 300 degree oven for 20 minutes or until lightly golden. Cool on wire racks. (Makes about 2 dozen.)