1/4 c. butter
1/4 c. shortening
1/4 c. brown sugar, packed
1 egg yolk
1/2 tsp. vanilla
1 c. flour
1/4 tsp. salt
3/4 c. chopped pecans
Jelly
1 egg white

Mix butter, shortening, brown sugar, egg yolk and vanilla. Work in flour and salt. Shape teaspoons of dough into balls. Beat egg white slightly and dip each ball into egg white. Roll into nuts and place on ungreased cookie sheet. Press thumb deeply into each center. Bake 10 minutes at 400 degrees. Cool and fill with jelly. Makes 3 dozen.