Ingredients in the description below: 3 to 4 ripe bananas, smashed 1/3 cup melted salted butter 3/4 ... Ingredients in the description below: 3 to 4 ripe bananas, smashed 1/3 cup melted salted butter 3/4 to 1 cup light brown sugar 1 egg, beaten 1 teaspoon vanilla 1 teaspoon baking soda Pinch of salt 1 teaspoon cinnamon 1 1/2 cup of flour(more)(less)