Cheesy Potato Gratin (Farmhouse Rules) Recipe - (4/5)

Ingredients

• Ingredients
• 6 tablespoons unsalted butter
• 1/3 cup all-purpose flour
• 1 quart milk
• 3 cups shredded sharp Cheddar cheese
• 3 cups shredded Gruyere cheese
• 2 cloves garlic, smashed
• 1/2 teaspoon freshly ground pepper
• Kosher salt
• 1/2 teaspoon freshly grated nutmeg
• 7 medium Yukon gold potatoes, unpeeled, cut in 1/2-inch thick coins
• 1/4 cup chopped fresh parsley, for garnish