Double Chocolate Banana Bread

Ingredients:
                                                                                                                                                                   Produce:
3     Bananas, medium large ripe
                                                                                                                                                        Refrigerated:
1     Egg, large
                                                                                                                                                               Baking & Spices:                                                                                                                                     1 cup     All purpose flour
1 tsp     Baking soda
3/4 cup     Brown sugar
1 cup     Chocolate chips, semisweet
1/2 cup     Hershey's special dark cocoa powder
1     Milk chocolate chips
1/4 tsp     Salt
1 tsp     Vanilla extract
                                                                                                                                                                  Dairy:
1/2 cup     Butter, unsalted