Lotus roots can grow quite long under water and have segments linked like sausages. Ingredient Spotlight: Lotus Root. =D. Place the lotus root chips in a mixing bowl. Preheat the oven to 325 degrees Fahrenheit. Place the frozen lotus root chips in the saucepan. Finally, a vegetable that's far too underrated. They are usually sold in shorter, more manageable portions and have become increasingly available at … Poach the lotus root until cooked through, approximately 25 minutes. Coat the lotus root with a thin layer of olive oil and season to taste with kosher salt and freshly ground black pepper. Thanks a lot for featuring this one, Maki. Roasted. Although known as a root, it’s actually the rhizome of the lotus flower.