Preheat oven to 350 degrees F. Grease and flour a 9x5 inch loaf pan.
In large mixing bowl, cream sugar, egg and butter with electric mixer until mixture is fluffy, about 3 minutes. Set aside.
In small mixing bowl mix bananas and milk. Set aside.
Sift together four, baking powder and baking soda onto paper plate.
Add dry ingredients to creamed butter mixture alternately with banana mixture, stirring together with rubber spatula until dry ingredients are blended, about 1 minute. Stir in chocolate chips and pecans.
Spoon batter into prepared pan. Drop twice from height of about 6 inches to counter, to remove air bubbles.
Bake in preheated oven for 55-60 minutes, or until wooden toothpick inserted in center comes out clean.
Cool in pan on wire rack 10 minutes.
Remove bread to wire rack to complete cooling.