Sweet Potato, Cheddar And Cider Gratin Recipe

Ingredients

• 4 tablespoons olive oil
• 2 large onions, peeled and sliced thinly
• 2 to 2 1/2 pounds sweet potatoes, peeled and sliced thinly
• 1/2 pound shredded smoked cheddar cheese,
• Salt and freshly ground pepper to taste
• Ground nutmeg to taste
• 1-1/2 cups apple cider