Wholesome Banana Bread

1 1/2 cups mashed bananas(about 3 medim ripe bananas)
1/4 cup buttermilk
1 cup all-purpose flour
1/2 cup whole wheat flour
1 teaspoon baking soda
1/2 teaspoon baking powder
4 tablespoons margarine
2 tablespoons of prune puree(I use unsweetened apple sauce)
1 1/2 teaspoons vanilla
2/4 cup splenda
1 egg

1. Preheat oven to 350 degrees. Spray one 9x5-inch loaf pan or two 6x3 1/2-inch mini-loaves with non stick cooking spray.

2. Mash the bananas in a small bowl by hand or with electric mixer. Stir in the buttermilk. Set aside. In a medium bowl, sift together flours with baking soda and powder. Set aside.

3. In a large bowl cream the margarine with an electric mixer on medium speed. Add the prune puree or the applesauce and beat well. Beat in the vanilla and the splenda. Beat in the egg. On very low speed, alternate adding the banana mixture and the flour mixture, adding half of the flour and mixing until just incorporated and then half the banana. Repeat once.

4. Turn mixture into prepared pan(s) and smooth the top.

5. Bake for 35-4 minutes for a 9x5-inch pan and 30-35 minutes for 2 mini-loaves or until toothpick inserted into the loaf comes out dry. Cool for 10-15 minutes on a rck and then remove from pan.