Mash bananas in a bowl.

Add sugar, egg, milk and butter and mix well.

Add flour and baking soda and mix until mixture is consistent

Grease a baking pan

Pour batter into baking pan and distribute evenly

Bake in pre-heated oven at 350 degrees F for 1 hour.

Take it out and let it cool for 15 minutes. Then remove from baking dish.