Apple Banana Bread

1/2 cup Butter, softened
1/2 cup Brown Sugar
1/2 cup White Sugar
2 Eggs
3 tablespoon Sour Cream
1 mashed Banana
1 teaspoon Vanilla
2 cups Plain Flour
1 teaspoon Baking Powder
1 teaspoon Bicarb Soda
1/2 teaspoon Cinnamon
2 Apples, cored and chopped
1/2 cup Chopped Walnuts or pecans