Mason Jar Banana Bread Ingredients: For the bread: 3 very ripe bananas, mashed 2 eggs 1/3 cup melted butter ½ cup sugar 1 tsp. vanilla extract 1 ¾ cup all-purpose flour 2 ¾ teaspoons baking powder ½ teaspoon salt 1 ½ teaspoons cinnamon ½ cup chopped walnuts (optional) 1/2 cup chocolate chips (optional) 16 oz. [...]