Grandma's Molasses Banana Bread

1/2 c. butter or margarine, softened
1 egg
1 c. Grandma's Molasses gold label
3 large bananas mashed (about 2 cups)
1 c. whole wheat flour
3/4 c. all purpose flour
2 tsp. baking soda
1/2 tsp. salt
1/2 c. chopped walnuts

--Optional:--

1/2 tsp. each finely grated orange
rind and ground nutmeg

Heat oven to 350 degrees. Cream butter. Beat in egg, molasses and banana. Mix in remaining ingredients just until blended. Pour into greased and floured 9 x 5 inch loaf pan. Bake in 350 degree oven 50 to 60 minutes. Cool on wire rack. Makes 1 loaf.