Creating Sweet Potato & Cranberry Gratin is simple when following these easy steps:

1. Preheat the Oven: Set your oven to 375°F (190°C).
2. Prepare the Baking Dish: Grease a 9×13 inch baking dish with butter.
3. Layer Sweet Potatoes: Arrange a layer of sweet potato slices at the bottom of the dish.
4. Add Cranberries: Sprinkle a layer of cranberries over the sweet potatoes.
5. Mix the Cream: In a bowl, combine the heavy cream, maple syrup, melted butter, cinnamon, nutmeg, salt, and pepper.
6. Pour Cream Mixture: Drizzle a portion of the cream mixture over the layered vegetables.
7. Repeat Layers: Continue layering sweet potatoes, cranberries, and the cream mixture until all ingredients are used, finishing with a layer of cream.
8. Add Cheese: Sprinkle shredded cheddar cheese on top of the final layer.
9. Breadcrumb Topping: If using, sprinkle breadcrumbs on top for added texture.
10. Bake: Cover with aluminum foil and bake for 30 minutes. Remove the foil and bake for an additional 15-20 minutes until the top is golden brown and the sweet potatoes are tender.
11. Cool Slightly: Remove from the oven and let it cool for about 10 minutes before serving.

Following these steps ensures that your Sweet Potato & Cranberry Gratin will turn out perfectly every time.