Preheat oven to 350 degrees F.
Cream butter and sugars together.
Blend in eggs and mashed banana.
Use a separate bowl to combine flour, baking soda, baking powder, salt and flax seeds.
Add to the banana mixture.
Sprinkle in chocolate chips.
Use a spatula to scrape into greased 9 x 5 loaf pan.
Bake at 350 for 1 hour.
Let cool in pan on baking rack for ten minutes.
Remove and let cool completely before slicing.
