1 1/4 c. all-purpose flour
1/2 c. whole wheat flour
1 tsp. baking soda
1/4 tsp. salt
1/2 c. sugar
1/4 c. Puritan oil
1 egg
1 c. ripe banana, mashed (about 2 med. bananas)
1 tsp. vanilla extract
Vegetable cooking spray

Combine first 4 ingredients in a small bowl; stir well and set aside.

Combine sugar and Puritan oil in a medium mixing bowl; beat at medium speed of an electric mixer 2 minutes, or until well blended. Add egg; beat until light lemon-colored.

With mixer running at low speed, add flour mixture alternately with banana, beginning and ending with flour mixture. Blend well after each addition. Stir in vanilla.

Pour batter into an 8 x 4 x 9 x 2-inch loaf pan coated with cooking spray. Bake at 350 degrees for 45 minutes, or until a wooden pick inserted in center comes out clean. Cook 15 minutes in pan on a wire rack. Remove from pan and let completely cool on a wire rack. Makes 16 servings.