Potato Gratín | Sonoma-Cutrer Vineyards

Ingredients

• 2 garlic cloves, smashed, divided
• 1-1/2 cups heavy cream
• 1/2 cup whole milk
• 1/4 cup (1/2 stick) unsalted butter
• 10 parsley sprigs, tied together with butcher's twine
• 2 teaspoons kosher salt, plus more to taste
• 1/4 teaspoon freshly grated black pepper
• 3 lbs russet potatoes* peeled and very thinly sliced. Or use 4 medium potatoes
• 2 c (5 ounces) grated Gruyère cheese