1. 1. Preheat oven to 400 and grease a 12 cup muffin pan. Set aside. 2. In a small bowl, combine flour and baking soda and mix well. Set aside. 3. In a larger mixing bowl, combine mashed banana, egg, milk, oil and sugar and mix. 4. Stir in dry flour mixture. 5. Fold in blueberries. 6. Use a 3 tablespoon portion scoop to divide batter equally in 12 muffin cups. Sprinkle tops with sparkling sugar. 7. Bake for 15-18 minutes or until toothpick inserted in the center comes out clean.