What is mirpoix?

Mirepoix is a culinary term that refers to a mixture of diced vegetables that are used as a base for many traditional French dishes. The vegetables typically used in a Mirepoix include onions, carrots, and celery, with the ratio of vegetables typically being two parts onions to one part each of carrots and celery. The vegetables are usually sautéed in butter or oil until they become soft and translucent, and they can also be seasoned with herbs, such as bay leaf, thyme, and parsley, to enhance their flavor. The Mirepoix is an essential ingredient in many classic French dishes, such as stews, soups, and braised dishes, and it is often used to add depth and complexity to a dish's flavor.