Orange Tea Cookies(Makes 4 To 5 Dozen)  
["1/4 lb. butter", "1 egg yolk", "1/3 c. sugar", "1 c. sifted flour", "1/3 tsp. vanilla", "pinch of salt", "1 Tbsp. orange rind, grated", "1 Tbsp. lemon rind, grated", "1 unbeaten egg white", "2 c. chopped walnuts"]
["Cream first 3 ingredients together.", "Blend in next 3 ingredients.", "Add next 2 ingredients.", "Mix.", "Using 1/2 teaspoon of mixture, shape into balls.", "Roll in unbeaten egg white, then roll in chopped walnuts.", "Place on well-greased cookie sheet.", "Pat down to thin cookie and bake at 350\u00b0 for 12 minutes."]
["butter", "egg yolk", "sugar", "flour", "vanilla", "salt", "orange rind", "lemon rind", "unbeaten egg", "walnuts"]