Banana Bread

yield: 1 loaf

1 cup whole-wheat flour
1 cup white flour
3/4 tsp baking soda
1/2 tsp salt
1 cup sugar
1/4 cup butter, softened
2 eggs
1 1/2 cups mashed banana
1/3 cup plain yogurt
1 tsp vanilla
cooking spray

1. Preheat oven to 350° .
2. Combine flours, baking soda, and salt. Stir with a whisk.
3. Beat sugar and butter together in large bowl until blended. Add eggs. Add banana, yogurt, and vanilla; beat well. Add flour mixture; beat until just moist. Pour into loaf pan coated with cooking spray. Bake at 350° for 1 hour or until a knife comes out clean.