One Bowl Banana Bread Posted by H&B on August 29, 2017 - Baked Goods - Beginner 3 ripe bananas 1 egg 1 cup sugar 1/4 cup soft butter 1 1/2 cups flour 1 tsp basking soda 1 tsp salt Mash bananas, mix in other ingredients. Pour into greased loaf pans and bake at 325 degrees for 1 hour.