Thumbprint Cookies - cooking recipe

Ingredients

1 1/2 c. Butter
4 Egg Yolks
1 tsp. Vanilla
jelly
4 c. Flour
1 c. Sugar
Sprinkle of Salt

Preparation

Cream butter and sugar together; add egg yolks.
Beat in all remaining ingredients except jelly.
Form into balls, indent with your thumb, and fill imprint with jelly.
Bake on ungreased cookie sheet at 350 degrees for approximately 8 - 9 minutes.