Two-Potato Gratin

Instructions

Unsalted butter for gratin dish
3 medium Yukon Gold potatoes, peeled and sliced ⅛ inch thick
1 tablespoon chopped thyme
½ teaspoon freshly grated nutmeg
Kosher salt to taste
Freshly ground black pepper to taste
1¼ cups heavy cream
2 small sweet potatoes, peeled and sliced ⅛ inch thick

Ingredients

Preheat oven to 300 degrees. Butter a medium gratin dish. Line bottom with a layer of Yukon Gold potatoes. Sprinkle with a little thyme and nutmeg. Season lightly with salt and pepper, and pour over a little cream. Add a layer of sweet potato slices, and repeat with the thyme, nutmeg, salt, pepper and cream. Continue layering, ending with sweet potatoes, thyme, nutmeg, salt, pepper and cream.

Bake in oven for 1 to 1¼ hours, until potatoes are tender when pierced with a fork. Cover with aluminum foil if top gets too dark.