Preheat over to 350. Spray muffin tin pan with non-stick cooking spray. In a large bowl combine flour, baking soda, and salt.
In a separate bowl cream together the butter and sugar. Stir in eggs and mashed banana. Then add banana mixture to flour mixture and stir until combined.
Fill muffin tins with batter [almost to the top]. Bake for 20 minutes.
Recipe by Mom to Mom Nutrition at https://momtomomnutrition.com/food-and-recipes/banana-bread-muffins/