"Sage adds a savory note to sweet-potato casserole. Best of all: It can be made two days before the meal...."
INGREDIENTS
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2.00 sweet potatoes
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1.00 Yukon gold potatoes
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4.00 plus 2 tablespoons unsalted butter
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2.50 chopped fresh sage
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1.50 whole milk
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Coarse salt
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Freshly ground pepper
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1.00 fresh breadcrumbs