Tartiflette Recipe

Ingredients (10)

• 2 1/4 pounds (1kg) Yukon Gold potatoes
• Kosher salt
• 3 fresh thyme sprigs
• 1/4 pound (115g) slab or thick-cut bacon, cut into 1/4-inch lardons
• 1 to 2 tablespoons (15 to 30g) unsalted butter, only if needed
• 2 medium (8-ounce; 225g) yellow onions, thinly sliced
• Freshly ground black pepper
• 1/2 cup (120ml) dry white wine
• 1/2 cup (120ml) heavy cream or crème fraîche
• 1 pound (450g) Reblochon-style soft-rind cheese (see headnote for suggested cheeses)