Nutty-Chocolate-Thumbprint Cookies
["1/2 c. butter or margarine", "2/3 c. sugar", "1 egg, separated", "2 Tbsp. milk", "1 tsp. vanilla extract", "1 c. all-purpose flour", "1/3 c. cocoa powder", "1/4 tsp. salt", "1 c. chopped nuts", "26 chocolate kisses candy or candied cherries"]
["Cream", "the", "first 5 ingredients in small bowl.\tCombine flour, cocoa", "and salt.", "Blend into creamed mixture.", "Chill 1 hour", "or until firm enough to handle.", "Shape dough into 1-inch balls.", "Beat egg", "white", "slightly.", "Dip", "each", "ball", "into egg white.", "Roll", "in nuts.", "Place on lightly greased cookie sheet. Press thumb gently in center of each cookie.", "Bake at 350\u00b0 for 10", "to 12 minutes and remove from pan gently.", "Press kisses or cherries in center of each cookie.", "Cool."]
["butter", "sugar", "egg", "milk", "vanilla extract", "flour", "cocoa powder", "salt", "nuts", "chocolate kisses"]