Preheat the oven to 350 degrees & oil a medium bread pan.
Chop & measure the walnuts.
Measure & mix the dry ingredients, including the nuts.
Mix the wet ingredients, including the banana.
Pour the wet ingredients into the dry, and mix lightly with just a few strokes.
Spoon the mixture evenly into the oiled pan
Bake for 45 min, middle of the oven, until browned & firm to the touch.
Cool on a rack in the pan for 5 minutes, then turn out to finish cooling.
Note: bread should be cooled at least half an hour before eating.