Maple Banana Bread

INGREDIENTS

• 1/2 cup butter, melted
• 1/2 cup maple syrup
• 1 egg
• 2 ripe bananas
• 1/2 teaspoon maple extract
• 3 tablespoons milk
• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/4 cup chopped walnuts
• 3 tablespoons white sugar