CHRISTMAS THUMBPRINT COOKIES

3/4 c. sugar
1 tsp. salt
3/4 c. butter
2 egg yolks (save whites)
1 tsp. vanilla
2 c. flour
2 egg whites, beaten
1-1 1/2 c. finely chopped nuts
1/2 c. red & green jelly

In large bowl combine first 5 ingredients on medium speed of mixer about 1 minute. Gradually add flour and blend at low speed until well mixed. Roll dough into 1 inch balls. Dip dough balls into egg whites then nuts. Place on greased cookie sheet 2 inches apart. Make a deep impression in center of each cookie with fingertip.
Bake at 350 degrees for 10-12 minutes. Immediately remove cookies from sheet. While still warm, fill centers with jelly. Allow jelly to set before storing cookies. Yield 3-4 dozen.

MERRY CHRISTMAS!!!