1 stick butter, softened 1 cup sugar 2 eggs ½ tsp. vanilla extract 3 ripe bananas, mashed 2 cups flour 1 tsp. baking soda First, mix butter and sugar until creamy. Then, mix in eggs, vanilla, and bananas. Stir in flour and baking soda. Bake in a loaf pan. Why might you need to revise this recipe? It does not indicate oven temperature or baking time. It does not list the ingredients. It does not describe the steps in the correct order. It does not indicate how the banana bread should taste.