Preheat oven to 180C.
In a small bowl, stir together flour, salt, soda and LSA.
In a big bowl, mash bananas with a fork, leaving them slightly lumpy, and mix in the applesauce, vanilla, apple and mango.
Whisk the eggs and add them to the fruit mixture, stirring to combine.
Stir the brown sugar into the wet mixture.
Pour the dry ingredients into the wet, and mix until just combined.
Spoon into either a 24-hole mini-muffin tin or a 12-hole tin.
Bake for 15 minutes (mini-muffins) or 25 minutes (regular muffins).
This recipe makes about 36 mini-muffins or 12 regular muffins.
Mini-muffins are 1 Weight Watchers ProPoint each;
Regular muffins are 3 each. (The whole recipe is 38 points.)