Sweetheart Cookie Recipe

1-1/2 cup Butter/Margarine
1 cup Sugar
2 Egg Yolks
3 cups Flour
1 tsp Vanilla
Raspberry Jam
Powdered Sugar
Cream butter and sugar. Add egg yolk. Beat in flour and vanilla.
Roll in walnut-sized balls. Dent center with spoon or thumb. Fill
with 1/2 tsp jam. Bake at 350° until light brown. Sprinkle with
powdered sugar.