INGREDIENTS
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1 1/4 cups all-purpose flour
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3/4 teaspoon baking soda
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1/2 teaspoon baking powder
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1/4 teaspoon salt
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1/2 cup unsalted butter, softened
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1 cup peanut butter at room temperature (smooth or creamy)
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3/4 cup sugar
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1/2 cup firmly packed light brown sugar
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1 large egg, at room temperature
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1 tablespoon milk
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1 teaspoon vanilla extract
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1/2 cup peanut butter chips
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1/2 cup chocolate chips