Also known as Chinese Yam, or Shan Yao, this root vegetable is known to have tons of health benefits, including tonifying the kidneys and spleen, from the perspective of traditional chinese medicine. Previously only common amongst chinese herbal soups, this vegetable is gaining popularity, thanks to its inclusion amongst many hotpot chains across Singapore. When undercooked, its texture can be crispy and slimy. When cooked, it turns into a soft, almost mashable consistency.