A good substitute for Taro in Sinigang is sweet potato. It has an equal texture and flavor and can be cooked the same way as Taro. Sweet potatoes are also much easier to find than Taro, making them a great alternative when preparing sinigang. Additionally, sweet potatoes are packed with nutrients such as vitamin C, magnesium, phosphorus, calcium and fiber, which make them an even healthier option than Taro for this dish!