Nuts are a type of dry, edible fruit or seed with a hard shell that can be used in cooking, baking, or eaten as a snack. Nuts are often high in protein, fiber, healthy fats, and various vitamins and minerals, making them a popular and nutritious ingredient in many dishes. They can be eaten raw, roasted, salted, sweetened, or used as a topping or ingredient in salads, desserts, sauces, and many other dishes.