Scalloped Potatoes With Caramelized Onions Recipe On Food52 | Recipe Cloud App

Ingredients

• 1 tablespoon neutral oil
• 1 large Spanish or yellow onion, thinly sliced
• 3 large Yukon Gold potatoes (2 to 3 pounds), peeled
• 2 cups whipping cream
• 4 garlic cloves, crushed
• 3 whole peppercorns
• 2 sprigs thyme
• 3/4 teaspoon sea salt
• 1 cup shredded Gruyère cheese, divided