Name: Alex Guarnaschelli's Cheesy Potato Gratin
Yield: 4
Ingredients: 2 cups heavy cream 2 sprigs fresh thyme; leaves only 2 cloves garlic; grated 2 lbs russet potatoes; peeled and thinly sliced to about 1/8-inch 1 cup grated white cheddar cheese 1 cup grated Parmesan cheese 1/2 bunch chives; minced kosher salt and cracked black pepper; to taste