Favorite Banana Bread

1 (8 oz.) pkg. cream cheese, softened
1 c. sugar
1/4 c. margarine
1 c. mashed ripe banana
2 eggs
2 1/4 c. flour
1 1/2 tsp. baking powder
1/2 tsp. baking soda
1 c. chopped nuts

Combine cream cheese, sugar and margarine, mixing until well blended. Blend in banana and eggs. Add combined remaining ingredients, mixing until moistened. Pour into greased and floured 9"x5" loaf pan. Bake at 350 degrees for 1 hour and 10 minutes or until wooden pick inserted in center comes out clean. Cool 5 minutes, remove from pan. Serve with additional cream cheese, if desired. Yield: 1 loaf.