"You'll be amazed and delighted with how quickly you can whip up a batch of these homemade cookies. —Clara Hielkema, Wyoming, Michigan..."
INGREDIENTS
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1 package (9 ounces) yellow cake mix
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2/3 cup quick-cooking oats
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1/2 cup butter, melted
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1 large egg
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1/2 cup milk chocolate M&M's or butterscotch chips