"<p>Ordinary potatoes become a sensational side dish when baked in a rich mixture of cream, crème fraîche and nutty Gruyère cheese. Finishing it with a drizzle of truffle oil adds an aromatic touch.</p>..."
INGREDIENTS
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2 lb. (1 kg) Yukon Gold potatoes
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Kosher salt and freshly ground pepper
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1 Tbs. extra-virgin olive oil
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1 Tbs. white truffle oil, plus more for drizzling
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1 yellow onion, diced
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1 1/2 cups (12 fl. oz./375 ml) heavy cream
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1 cup (4 oz./125 g) shredded Gruyère cheese
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1/2 cup (4 oz./125 g) crème fraîche
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Finely chopped fresh thyme for garnish (optional)