Thumbprint Cookies
["1/2 c. butter or margarine, softened", "1/2 c. packed brown sugar", "1 egg, separated", "1/2 tsp. grated orange peel", "1/2 tsp. vanilla", "1 c. all-purpose flour", "1/4 tsp. salt", "1 c. finely chopped Diamond walnuts", "1 c. Sun-Maid raisins", "1/2 c. apple jelly"]
["Heat oven to 350\u00b0.", "Combine butter, brown sugar, egg yolk, orange peel and vanilla; beat until light and fluffy.", "Combine flour and salt; stir into butter mixture.", "Shape into 1-inch balls. Slightly beat egg white with fork.", "Dip balls in egg white; roll each in walnuts.", "Place 1 inch apart on ungreased cookie sheets; press thumb gently in center of each cookie.", "Bake in upper third of oven at 350\u00b0 for 10 to 12 minutes or until set.", "Remove from cookie sheets; cool on wire racks."]
["butter", "brown sugar", "egg", "vanilla", "flour", "salt", "walnuts", "raisins", "apple jelly"]