English Coffee Cookies
["1 c. butter or margarine", "1 c. sugar", "1 egg, separated", "1 tsp. vanilla", "2 c. flour", "1/2 c. chopped nuts"]
["Cream the butter and sugar until light and fluffy.", "Add egg yolk and vanilla; beat well.", "Mix in flour.", "Spread cookie dough evenly over greased", "cookie sheet (approximately 12 x 14-inch). Brush beaten egg whites over top of dough and sprinkle over chopped nuts.", "Bake at 300\u00b0 for 40 to 45 minutes.", "Let cool 5 minutes.", "Cut when warm.", "Enjoy!"]
["butter", "sugar", "egg", "vanilla", "flour", "nuts"]