Banana Bread

Directions

1. 1
   Preheat the oven to 350 degrees F.
2. 2
   Lightly grease a 9 1/4 by 5 1/4 by 2 1/2-inch loaf pan with 1 teaspoon of the butter.
3. 3
   Puree the bananas, sour cream, eggs and vanilla in a food processor.
4. 4
   Sift the cake flour, sugar, baking soda, baking powder and salt into the bowl of an electric mixer fixed with a whisk attachment.
5. 5
   Add the remaining 10 tablespoons butter and mix on medium-low speed until blended, about 30 seconds.
6. 6
   Add the banana mixture in 3 batches, scraping the sides of the bowl and mixing on medium speed between each addition.
7. 7
   Fold in the nuts.
8. 8
   Pour into the loaf pan.
9. 9
   Bake until lightly browned and bread bounces back to the touch, about 1 hour 10 minutes.
10. 10
    Remove from the oven and cool for 10 minutes before turning out onto wire rack to cool completely.