preheat over to 350 degrees F
sift together:
cream together in a large bowl:
mix together in a separate, smaller bowl:
optional:
Into the butter mixture, add the dry ingredients in thirds, following each addition with a third of the banana mixture. Add nuts or chips, if you wish.
Pour into 'lavishly' buttered bake pans or muffin tins.
Bake for 1 hour for bread pan, for about 45-50 minutes for muffins, or until bread springs back when lightly touched in the center.