Banana Bread

Ingredients     1 cup whole wheat flour     1/2 cup all-purpose flour $     1 teaspoon baking powder     1 teaspoon baking soda     1/8 teaspoon salt     1/4 cup \"measures-like-sugar\" calorie-free sweetener $     2 tablespoons margarine, melted $     4 medium-sized very ripe bananas, peeled and mashed     1 large egg, lightly beaten $     Cooking spray Preparation     1. Preheat oven to 350°.     2. Lightly spoon flours into dry measuring cups; level with a knife. Combine flours and next 3 ingredients in a large bowl. Combine sweetener and next 3 ingredients; add to flour mixture, stirring just until moist.     3. Pour batter into an 8 x 4-inch loaf pan coated with cooking spray. Bake at 350° for 50 to 55 minutes or until a wooden pick inserted in center comes out clean. Cool in pan on a wire rack 10 minutes; remove from pan, and cool completely on wire rack.     carbo rating: 14