Taro Stem (Kochur Loti)

Taro stem, known as kochur loti in Bengali and arbi ka patta across North India, is the edible petiole of the Colocasia esculenta plant—the same species that produces the taro tuber. While the tuber enjoys widespread recognition, the stems hold a cherished place in the cooking traditions of Bengal, Odisha, and Assam, where they are transformed into spicy curries, crispy fritters, and hearty one-pot preparations. The stems offer a more neutral, vegetal flavor than the tuber, making them excellent vehicles for bold seasonings. Their firm, fibrous structure holds up well to cooking, developing a tender interior with a slight slipperiness when properly prepared.

The key to working with taro stems lies in addressing two challenges: the fibrous outer layer and the calcium oxalate crystals present throughout the vegetable. The outer skin must be peeled or scraped away before cooking, as it remains chewy even after extended heat. The inner pith is what you want—firm and crisp when raw, yielding and tender when cooked. Calcium oxalate crystals make thorough cooking non-negotiable; undercooked stems cause mouth irritation and should never be eaten raw. Once these hurdles are cleared, taro stems are forgiving and versatile, absorbing strong flavors while contributing body and texture to dishes.

Fresh taro stems oxidize quickly once cut, turning brownish at the edges, but this is purely cosmetic. Work efficiently when preparing them, rinsing cut pieces briefly in water to remove any residual crystals on the surface. The vegetable pairs exceptionally well with the assertive aromatics of Eastern Indian cooking—mustard oil, panch phoron, green chilies, and coconut—making it a star in Bengali kochur loti chingri, where it mingles with shrimp, or in the dry stir-fry called chorchori.