Pre-heat the oven to 350°. Line and grease 2 loaf pans.
Melt butter, then mix with ripe bananas, sugar, milk, and vanilla.
Sift flour and baking powder together, and then slowly add to wet ingredients. Be sure to mix until the dry ingredients are well incorporated.
Add the chop nuts and slowly mix until they are evenly dispersed throughout the batter.
Divide batter between the two loaf pans. Bake at 350° for 35-40 minutes or until the tops are golden and the centers are cooked. you can check the centers by inserting a toothpick. If the bread is done the tooth pick will come away clean.