recipe for overripe bananas

Ingredients: 2-3 overripe bananas, mashed 1/3 cup melted butter 3/4 cup sugar (you can reduce to 1/2 cup if you prefer it less sweet) 1 large egg, beaten 1 teaspoon vanilla extract 1 teaspoon baking soda Pinch of salt 1 1/2 cups all-purpose flour