Ingredients
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1 ½ cups all-purpose flour
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1 cup white sugar
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1 teaspoon baking soda
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1 teaspoon salt
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1 large egg, beaten
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½ cup light mayonnaise
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3 ripe bananas, mashed
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1 teaspoon vanilla extract
Directions
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Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 9x5-inch loaf pan.
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Whisk flour, sugar, baking soda, and salt together in a medium bowl. Stir egg, mayonnaise, bananas, and vanilla extract together in a large bowl until well combined. Stir flour mixture into banana mixture until no dry lumps remain. Pour batter into the prepared loaf pan.
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Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 45 minutes. Cool in the pan for 10 minutes before removing to cool completely on a wire rack.
