Date Nut Bars
["1/4 c. butter or margarine", "1/2 c. sugar", "1 egg", "1/2 c. self-rising flour", "1 tsp. vanilla", "1 (8 oz.) pkg. chopped dates", "1 c. chopped nuts", "confectioners sugar"]
["Preheat oven to 350\u00b0.", "Grease bottom of a 9-inch square baking pan.", "Melt butter in saucepan over low heat.", "Remove from heat. Stir in remaining ingredients in order listed.", "Mix well.", "Spread in prepared pan.", "Bake for 30 minutes.", "Cool in pan.", "Cut into 24 bars.", "Sift confectioners sugar over bars, if desired."]
["butter", "sugar", "egg", "flour", "vanilla", "dates", "nuts", "confectioners sugar"]