"Recipe for Oatmeal Peanut Butter Cookie Sandwiches. A copycat version of the famous Girl Scout's Do Si Dos, similar to Nutter Butters. If you love Do-So-Do's, this is the oatmeal peanut butter cookie recipe for you!..."
INGREDIENTS
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½ cup unsalted butter, softened
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½ cup peanut butter
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½ cup white sugar
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½ cup packed light brown sugar
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1 teaspoon vanilla extract
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1 egg
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1 cup quick cooking oats
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¾ cup all-purpose flour
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½ teaspoon baking soda
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¼ teaspoon baking powder
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½ teaspoon salt
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Filling:
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3 tablespoons unsalted butter, softened
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1 cup confectioners' sugar
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½ cup smooth peanut butter
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2½ tablespoons heavy whipping cream