Sweet Potato Au Gratin

• milk↗1 cup
• heavy cream↗1 pint
• ground nutmeg↗1⁄4 teaspoon
• ground cinnamon↗1⁄4 teaspoon
• salt↗1 teaspoon
• ground black pepper↗1⁄4 teaspoon
• sweet potatoes, peeled and sliced thin with a mandoline (about 12 sweet potatoes, depending on size)↗3 lbs
• chopped fresh parsley leaves1 tablespoon
• Gratin
• butter, cut into chunks, plus more↗2 tablespoons
• butter, for baking dish (or use cooking spray for baking dish)↗
• panko breadcrumbs↗1⁄4 cup
• grated cheddar cheese↗1⁄4 cup

Step-by-step instructions

1. 1

   In a large saucepan combine milk, cream, nutmeg, cinnamon, salt, and pepper. Gently fold in sweet potatoes. Bring to a simmer and allow sauce to thicken.Preheat oven to 350 degrees F.

2. 2

   Butter a 3-quart baking dish. Combine the bread crumbs, butter and Cheddar to make the gratin topping. Transfer the potato mixture to the baking dish and sprinkle with the gratin topping. Bake until the potatoes are cooked through, about 35 to 45 minutes.