Spray 16 regular-sized muffin tins or 40 miniature muffin tins with cooking spray; set aside.
Preheat oven to 400°.
Mash bananas on a plate with a fork; set aside.
In a large mixing bowl, combine flour, granulated sugar, baking powder and salt.
Set aside.
In a medium mixing bowl, combine egg, half-and-half, oil, banana and applesauce.
Whisk until well combined and the banana is broken up into very tiny pieces.
Add wet ingredients to dry ingredients along with mint fudge-flavored baking chunks.
Stir just to combine.
Do not overmix the batter.
Spoon batter into prepared muffin tins between three-fourths and completely full.
Bake at 400° for about 18 minutes for regular sized muffins or 10-12 minutes for miniature muffins or until a toothpick inserted in center comes out clean.
Cool muffins in pan for 5 minutes before removing to a wire rack to cool completely.
Yield: 16 regular-sized muffins or 40 miniature muffins.