Two Potato Gratin

This dish came from the Oprah Magazine Cookbook.

• Ready In: 1 hr 15 mins
• Serves: 6

Ingredients

• 1  tablespoon butter
• 1  cup  whole milk or 1  cup 2% low-fat milk
• 3⁄4 teaspoon salt
• 1⁄8 teaspoon fresh ground pepper
• 1  pinch dried ancho chile powder
• 1  pinch  of grated nutmeg
• 1  lb yukon gold potato, peeled, and sliced into 1/2 inch thick rounds
• 1  lb sweet potato, peeled and sliced into 1/2 inch thick rounds
• 3  tablespoons  whole grain mustard
• 1  cup  shredded gruyere cheese

Directions

1. Preheat oven to 400 degrees. Butter a shallow 2-quart gratin pan or ceramic baking dish.
2. In a large saucepan, combine milk, salt, pepper, chili powder, and nutmeg.
3. Heat to a boil over medium high heat.
4. Add potatoes and return to boil, simmering a few minutes, until mixture thickens slightly.
5. Remove pan from heat; stir in mustard.
6. With a slotted spoon, transfer half the potatoes to gratin dish; place in an even layer, Sprinkle with 1/2 cup of Gruyere.
7. Top with remaining potatoes; pour milk mixture over potatoes and sprinkle with remaining 1/2 cup Gruyere. Bake 40 minutes until potatoes are tender and the top is golden.