Preheat oven to 350 degrees F and grease muffin pan or add muffin liners.
Whisk together the flour, baking soda, and salt.
In a separate bowl mix mashed bananas with yogurt, honey, eggs, oil, milk and vanilla.
Fold the banana mixture into the flour mixture until blended. Do not overmix.
Pour batter into prepared pan.
Top with unsweetened coconut if desired.
Bake large muffins for 18 minutes or mini muffins for 12 minutes.