3 medium or 2 large bananas (about 1 1/2 cups) ⅓ cup ​unsalted butter, melted ½ cup honey 2 eggs ¼ cup milk 1​ tablespoon ​pure ​vanilla extract or paste 1 ¾ cups​ all-purpose flour​ 1 teaspoon baking soda ½ teaspoon salt optional mix-ins or toppings: crushed nuts, chocolate chips, peanut