Blueberry Orange Bran Muffin

Details

Ingredients

• ½ cup oat bran
• 1 cup wheat bran
• ½ cup sour cream
• ½ cup milk
• 1 cup all-purpose flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• ⅔ cup brown sugar
• ½ teaspoon salt
• 1 cup fresh blueberries
• ⅓ cup vegetable oil
• 1 orange, juiced and zested
• 1 egg
• 1 teaspoon vanilla extract