Preheat oven to 350°F.
Combine flour, oat bran cereal, baking soda, baking powder, cinnamon and nutmeg in a mixing bowl.
Add egg, raisins, BOOST® Vanilla and carrots; stir well.
Spray muffin cups with nonstick cooking spray or line with paper baking cups.
Portion batter into muffin cups, filling each cup 2/3 full.
Bake at 350°F for 20 -25 minutes.
Serve warm or cool to room temperature.
Leftover muffins may be stored in an airtight container for up to 2 days.