Le Creuset has a great recipe for Classic Potato Gratin that makes a perfect side dish to any meal. Make it in Le Creuset's Heritage Cast Iron Au Gratin dish. This dish is ideal for side dishes and desserts that require a perfectly brown and crisp top layer. From fruit tarts and cobblers to potatoes au gratin, its functional design makes a beautiful serving dish in addition to its performance in the kitchen. See the full recipe for Classic Potato Gratin here.