INGREDIENTS
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2 cups all-purpose flour
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1 teaspoon baking powder
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3/4 teaspoon baking soda
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Pinch of salt
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8 tablespoons (1 stick) unsalted butter, at room temperature
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1 1/2 cups packed light brown sugar
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2 large eggs
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1 cup mashed ripe bananas (about 2 large bananas)
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1/4 cup plain yogurt
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1 teaspoon vanilla extract
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4 ounces chocolate chips
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6 tablespoons unsalted butter, at room temperature
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1 1/2 cups confectioners' sugar, sifted
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1 tablespoon whole milk
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1 teaspoon vanilla extract