Preheat oven to 350F
In a large mixing bowl mix together flour, sugars, baking powder and soda
In a medium mixing bowl add the egg, oil and chopped bananas, uses an emulsion blender to puree
Add the banana mix to the flour and mix til fully combined
brush a 12 slot muffin pan with oil, then spoon batter into slots.
Bake at 350F for 20-23 minutes