Tubers are thickened parts of a plant that store nutrients, helping the plant survive tough conditions. Common examples of tubers include potatoes, sweet potatoes, and yams. These underground structures grow from the plant's roots and can be harvested for food. They are rich in carbohydrates and provide energy, making them a staple in many diets around the world. In addition to being nutritious, tubers are versatile in cooking. They can be boiled, baked, mashed, or fried, offering a variety of flavors and textures. Many cultures have unique dishes that highlight tubers, showcasing their importance in global cuisine.