INGREDIENTS
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2tablespoonsbutter
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2tablespoonsall-purpose flour
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1teaspoonsalt
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1/2teaspoonfreshly ground black pepper
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1 1/2cupwhipping creamcan also use half and half
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1/2cupgrated Parmesan cheesedivided
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1cupshredded mozzarella cheesedivided
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2poundsrusset potatoespeeled and sliced about 1/8 inch thick
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Snipped fresh chives for garnish