This banana bread recipe is one that I have used for years and she's never let me down. She can either be made into a loaf or muffins - either way the recipe still works.
You can find the downloadable version here.
1 Cup Sugar
1 tsp Vanilla Essence
2 Cups Flour
2 Tb Baking Powder
1/2 tsp Salt
4 - 6 Bananas, Mashed
Preheat your oven to 190deg
1 - Cream the butter and sugar
2 - Add the vanilla and eggs and beat
3 - Mix the dry ingredients into the wet mixture
4 - Fold in the bananas
Grease a muffin tray or bread tin
Bake for 20 min (for muffins) or 30 min (for loaf) or until a knife comes out of it clean