1/4 c. butter, softened
1/4 c. shortening
1/4 c. brown sugar
1 egg, separated
1/2 tsp. vanilla
1 c. flour
1/4 tsp. salt
3/4 c. nuts, chopped

Mix together. Refrigerate the dough. Roll 1 teaspoon dough and place on cookie sheet. Press thumb on each ball. Bake at 350 degrees. Cool. Place small amount of jelly in indentation.