Sugarless Banana Walnut Cake
["2/3 c. mashed banana", "1/2 c. butter or margarine, softened", "3 eggs", "2 c. flour", "2 tsp. baking powder", "1 tsp. baking soda", "1 tsp. cinnamon", "3/4 c. water", "1 c. chopped walnuts", "2 Tbsp. liquid sweetener", "1 tsp. vanilla"]
["Mix bananas and butter together until creamy; add eggs.", "Beat well.", "Combine flour, baking powder, soda and cinnamon.", "Add to banana mixture alternately with water, beating well after each addition.", "Stir in nuts.", "Spoon into a greased baking pan.", "Bake at 350\u00b0 for 30 minutes or until cake tests done."]
["mashed banana", "butter", "eggs", "flour", "baking powder", "baking soda", "cinnamon", "water", "walnuts", "liquid sweetener", "vanilla"]