Prepared in 20 minutes or less plus 1 hour to bake.
Preheat oven to 350°F.
Generously grease a 9 x 5 x 3 –inch loaf pan with butter or cooking spray.
Sift together flour, sugar, baking powder, baking soda and salt over a large bowl of an electric mixer. Add the softened butter and mix on medium-low speed until well-blended, approximately 30 seconds.
Purée bananas, sour cream, eggs, milk, cinnamon and vanilla extract in a food processor. . Add the banana mixture to the flour mixture a little bit at a time, scraping the sides of the bowl with a spatula and mixing on medium speed between each addition. *Fold in the chopped nuts and chocolate chips if desired. Batter will be thick.
Pour batter into greased loaf pan and bake for 1 hour depending on your oven. If bread begins to brown too much on top and is not yet done inside, cover lightly with a piece of tin foil.
Set on a wire rack for 15 minutes to cool. Invert pan onto the rack and remove bread from pan to cool completely before slicing. Serve drizzled with acacia honey or as a dessert with vanilla bean ice cream.
Option: *Fold in 1 cup of golden raisins “plumped” in apple-spiced tea to batter before baking if desired.