Janet'S Banana Bread
["1/4 lb. margarine (1 stick), softened", "1 c. sugar", "2 eggs", "1 c. walnuts (optional)", "1 1/2 c. plain flour (sifting optional)", "1 tsp. baking soda", "3 ripe bananas"]
["Mix margarine and sugar, then add bananas and eggs.", "Beat well.", "Add flour sifted with soda, and last nuts (optional).", "Bake in loaf pan at 350 for 40 to 50 minutes."]
["margarine", "sugar", "eggs", "walnuts", "flour", "baking soda", "bananas"]