JAM THUMBPRINTS
1 1/2 c. flour
1/4 tsp. salt
2/3 c. butter or margarine
1/3 c. sugar
2 egg yolk
1 tsp. vanilla
2 slightly beaten egg whites
3/4 c. finely chopped walnuts
1/3 c. cherry or strawberry preserves
Heat oven to 350 degrees. Stir together flour and salt. Beat butter for 30 seconds; add sugar and beat until fluffy. Add egg yolks and vanilla; beat well. Add dry ingredients to beaten mixture, beating until well blended. Cover and chill 1 hour. Shape into 1-inch balls; roll in egg whites, then roll in finely chopped walnuts. Place 1 inch apart on an ungreased cookie sheet. Press down centers with thumb. Bake for 15-17 minutes. Cool on a wire rack. Just before serving, fill centers with preserves. Makes 36.