Polish Butter Cookies(Makes 3 To 4 Dozen) - cooking recipe

Ingredients

red raspberry preserves with seeds
1/2 lb. softened butter (2 sticks)
1/2 c. sugar
2 tsp. vanilla
1 egg yolk
2 c. flour

Preparation

Cream butter and sugar.
Beat in egg yolk, vanilla and flour until well blended.
Take enough dough to roll into a little ball. Make your thumbprint in the center of each ball.
Fill thumbprint with preserves.
Bake at 350\u00b0 for 10 to 12 minutes on an ungreased cookie sheet.