Starchy staples are a type of food that are high in carbohydrates and provide a good source of energy. The two most common starchy staples are yams and potatoes. Yams are a root vegetable that is often boiled or roasted and can be found in many tropical regions. Potatoes are a tuber vegetable that is usually boiled, mashed, or fried and is a staple in many cultures around the world. Both yams and potatoes are important sources of nutrition and are used in many dishes.