👉 Gratins are a type of traditional French dish that originated in France. They consist of two layers of potatoes, cheese, and meat or seafood, typically served with butter or cream. Gratin can be made using various ingredients such as onions, garlic, mushrooms, herbs, and vegetables, and it is often accompanied by a rich sauce or gravy to enhance the flavor. Gratins are also known for their versatility in cooking and can be used in many different recipes.