Use an electric mixer for this recipe.
Pre-heat oven to 350 degrees.
Cream butter and sugar together
Break eggs in a separate bowl
Add eggs, one at a time, to the creamed mixture of butter and sugar
Add mashed bananas
Sift flour, baking soda, salt, and cinnamon together
Add flour mixture, alternately with the milk, to the creamed mixture
Mix only until combined, do not over mix after flour has been added
Add chopped nuts, if desired
Bake in loaf pan at 350º for 55-60 min.
Check with toothpick. If the toothpick does not come out clean, cook an extra few minutes until done.