Banana Nut Chiffon Cake
["2 1/4 c. flour", "1 1/2 c. sugar", "1 Tbsp. baking powder", "1/2 tsp. salt", "2/3 c. very finely chopped walnuts", "1/2 c. oil", "7 eggs, separated", "1 1/4 c. mashed bananas (about 3 medium)", "1 tsp. vanilla", "1/2 tsp. cream of tartar"]
["Sift", "flour,", "sugar,", "baking", "powder,", "salt and walnuts until well", "blended.", "Make", "a", "well", "in", "center; add oil, egg yolks, bananas and vanilla.", "Beat with a wooden spoon until a smooth batter forms.", "Beat egg whites, gradually adding cream of", "tartar until", "firm", "peaks\tform.", "Gently fold whites into batter.\tTurn into", "ungreased 10-inch tube pan.", "Bake at 325\u00b0 for", "55", "minutes, or until a pick inserted in center comes out clean.", "Cool cake in pan inverted on rack.", "With a sharp knife gently", "loosen", "cake from", "sides,", "then bottom of pan.", "Cover cake; let stand several hours for flavor to develop.", "Sprinkle with powdered sugar or drizzle with powdered sugar glaze."]
["flour", "sugar", "baking powder", "salt", "walnuts", "oil", "eggs", "bananas", "vanilla", "cream of tartar"]