Ingredients

3/4 cup all-purpose flour

3/4 cup whole-wheat flour

1/4 cup flaxseed meal

1 teaspoon baking powder

1/2 teaspoon salt

1/2 teaspoon baking soda

1 cup mashed ripe banana

1/2 cup chopped walnuts

3/4 cup sugar

1/2 cup plain low-fat yogurt

1/4 cup canola oil

Cooking spray

Preparation

Preheat oven to 325 Lightly spoon flours into dry measuring cups; level with a knife. Combine flours and next 4 ingredients (through baking soda) in a large bowl, stirring with a whisk. Combine banana and next 4 ingredients (through oil) in a small bowl. Add banana mixture to flour mixture, stirring just until moist. Spoon the batter into a 9x5-inch loaf pan coated with cooking spray.Bake at 325 for 1 hour and 15 minutes or until a wooden pick inserted into the center comes out clean.Cool for 10 minutes in pan on a wire rack,then remove from pan. Cool on wire rack.