Parsnips look alot like a white carrot. They have a nutty-sweet flavour and are available all year round. Nutrition: Parsnips are an excellent source of Vitamin C and E making them great for your immune system and skin. They are rich in antioxidants and help maintain healthy cells in your body. Storage: Parsnips can be stored in a plastic bag in the crisper section of the fridge for up to one week. Ideal Use: Parsnips have a deliciously sweet taste when roasted and are great in casserole dishes and stews.