Easy Banana Bran Muffins

Bahan-bahan (12 porsi)

• ¾ cup whole-wheat flour
• 1 cup all-purpose flour
• 1 cup wheat bran
• 2 teaspoons baking powder
• ½ teaspoon baking soda
• ½ teaspoon cinnamon
• ¼ teaspoon salt
• 1 cup golden raisins
• 2 large eggs (room temperature)
• ⅔ cup light brown sugar (packed)
• 1 cup mashed bananas (about 3 bananas)
• 1 cup buttermilk
• ⅓ cup butter (melted)
• 1 teaspoon vanilla extract