The original recipe is fantastic, and I've also adapted it a bit to our tastes and needs. I have to put some of this in the freezer, or else I'll eat it all in one night. The kidlet loves it, too!
adapted from Banana Bread at Simply Recipes
4 ripe bananas, mashed
1/3 cup melted butter
3/4 cup sugar
1 egg, beaten
1 tsp vanilla
1/8 tsp cinnamon
1 tsp baking soda
pinch of salt
1 cup all-purpose flour
1/2 cup white whole wheat flour
chopped walnuts to taste, optional
Preheat oven to 350 degrees.
In a medium mixing bowl, mash 4 bananas until most chunks are gone. Add in the melted butter, stirring with a wooden spoon. Add in the sugar, and stir until mixed. Add in the egg, vanilla, and cinnamon, and stir to combine.
In a smaller bowl, combine the baking soda, salt, and flours. Add this dry mixture to the banana mixture, and stir until combined.
Transfer batter to a prepared loaf pan or mini-loaf pans, and bake for 45 minutes - 1 hour for one loaf, or 30 - 40 minutes for mini-loaves. They're done when a knife inserted in the middle comes out clean.
Remove from oven and let cool in pans for 5-10 minutes. Remove from pan and finish cooling on a rack.