A peanut is a type of legume that grows underground, unlike most nuts that grow on trees. It is native to South America and is commonly cultivated in warm climates. Peanuts are rich in protein, healthy fats, and various vitamins and minerals, making them a popular snack and ingredient in many dishes. Peanuts are often processed into products like peanut butter, which is a favorite spread for sandwiches. They are also used in cooking and baking, adding flavor and texture to various recipes. Additionally, peanuts are a key ingredient in many traditional dishes around the world, including African and Asian cuisines.