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