Ingredients for 1 servings:
1. 2/3 cup butter, softened
2. 1 1/3 cups sugar
3. 2 3/4 cups all-purpose flour
4. 1 teaspoon baking powder
5. 1 teaspoon baking soda
6. 1/2 teaspoon salt
7. 2 eggs, lightly beaten
8. 1 1/2 cups bananas, mashed
9. 1/2 cup sour cream
10. 1 cup walnuts, chopped

Directions:
1. Cream butter; gradually add sugar, beating with a mixer at medium speed.
2. Combine flour with baking powder, baking soda, and salt, stirring well.
3. Combine eggs, banana, and sour cream; stir well.
4. Add flour to creamed mixture, alternately with banana mixture, beginning and ending with flour mixture. Mix until blended after each addition; stir in walnuts.
5. Pour batter into greased and floured 9 x 5 x 3-inch loaf pan.
6. Bake at 350 degrees for 1 hour and 15 minutes or until a wooden pck inserted in center comes out clean. (Shield with aluminum foil to prevent excessive browning.).
7. Let cool completely on a wire rack. Yield 1 loaf.

Enjoy your meal!