Easy Kolacki

INGREDIENTS

1 cup sugar
1 lb butter
4 egg yolks
4 cups sifted flour

DIRECTIONS

Cream sugar and butter until fluffy. Add yolks and mix well. Add flour and blend well. Make into balls the size of walnuts. Put on un-greased cookie sheets 1/2″ apart and press thump in center and fill with any flavor jelly or pecan half. Bake 375 degrees for 15 minutes. When cool dust with powdered sugar.