Cress is a leafy green vegetable that belongs to the mustard family. It is known for its peppery flavor and is often used in salads, sandwiches, and as a garnish. There are several types of cress, including watercress, garden cress, and rock cress, each with unique tastes and growing conditions. Cress is rich in vitamins A, C, and K, as well as minerals like calcium and iron. It is easy to grow, often sprouting quickly in soil or water, making it a popular choice for home gardeners. Its nutritional benefits and versatility in cooking contribute to its popularity in various cuisines.