Jan'S Banana Bread
["1 stick margarine", "1 c. sugar", "2 eggs", "1 tsp. vanilla", "pinch of salt", "3 very ripe bananas", "1/2 c. yogurt or sour cream", "1 1/2 c. flour", "1 tsp. soda"]
["Mix first 4 ingredients until fluffy.", "Add yogurt and bananas.", "Add remainder of ingredients.", "Mix until just moist. Pour into 9 x 5 x 3 pan.", "Bake for 40 minutes at 350\u00b0."]
["margarine", "sugar", "eggs", "vanilla", "salt", "very ripe bananas", "yogurt", "flour", "soda"]