Banana Chiffon Cake
["2 1/4 c. sifted cake flour", "1 1/4 c. sugar", "3 tsp. baking powder", "1 tsp. ground cinnamon", "1/2 tsp. salt", "1/2 c. vegetable oil", "5 egg yolks", "2 Tbsp. lemon juice", "2 to 3 bananas, mashed (about 1 c.)", "7 to 8 egg whites (1 c.)", "1/2 tsp. cream of tartar"]
["Sift flour, 1 cup of the sugar, baking powder, cinnamon and salt into medium-size bowl.", "Make a well in center and add in order:", "oil, egg yolks, lemon juice and banana; beat with spoon until smooth.", "Bake at 325\u00b0 for 1 hour and 10 minutes.", "Makes one 10-inch tube cake.", "Easy to make.", "Needs no frosting and keeps deliciously moist."]
["cake flour", "sugar", "baking powder", "ground cinnamon", "salt", "vegetable oil", "egg yolks", "lemon juice", "bananas", "egg whites", "cream of tartar"]