INGREDIENTS
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2 cups all-purpose flour
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2 teaspoons baking powder
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1/2 teaspoon salt
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1 teaspoon ground cinnamon
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1/2 cup unsalted butter, softened
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3/4 cup granulated sugar
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3/4 cup packed light brown sugar
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3 large eggs
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1 tablespoon vanilla extract
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1 cup sour cream
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1/2 cup chopped pecans
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1 large banana
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2 tablespoons unsalted butter, melted
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1 tablespoon lemon juice
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16 ounces confectioners’ sugar
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2-4 tablespoons coarsely chopped pecans, toasted (optional)