INGREDIENTS
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4 1-inch-thick slices pork loin (6–8 ounces each)
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1 1/2 cups dry white wine
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2 onions, cut into 1/2-inch-thick slices
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3 tablespoons olive oil, divided
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Kosher salt and freshly ground black pepper
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1 pound small (2-inch-diameter) Yukon Gold potatoes, cut into 1/2-inch-thick rounds
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1/4 cup chopped fresh sage leaves
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8 thin slices prosciutto