Preheat the oven to 350F
Lightly oil a 12-cup muffin pan
Stir together the bananas, oil, honey & vanilla in a bowl
In another bowl combine the flour, baking powder, walnuts, salt nutmeg, and baking soda.
Stir the wet ingredients into the dry mixture & blend with a spoon.
Spoon this mixture into muffin cups, filling to the rim.
Bake until golden brown about 20-25 min. Serve warm
** Substitute whole wheat flour plus 1/2 tsp. baking soda & 1/2 tsp. baking powder