INGREDIENTS
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1 & 1/4 cups all-purpose flour
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1 & 1/2 teaspoons ground cinnamon
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1/2 teaspoon baking powder
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1/2 teaspoon salt
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3 cups rolled oats
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3/4 cup unsalted butter, softened
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1 cup packed light brown sugar
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2 large eggs
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1 teaspoon vanilla extract
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1 cup packed light brown sugar
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1/2 cup unsalted butter
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1/4 cup heavy cream
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1 teaspoon salt
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1 teaspoon vanilla extract
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1 & 1/2 cups confectioners' sugar