The phrase "coriander stalks" refers to the long, thin, and woody parts of the coriander plant that grow above the ground. These stalks are typically used in cooking to add flavor to dishes. Full definition
Next add in the carrots, vegetable stock, fresh coriander stalks and the dried chillies if you are using them. (baketheneat.com)
Add the broccoli, lemongrass, coriander stalks, ginger, chopped chilli, kaffir lime leaves and good pinch of salt. (supergoldenbakes.com)
Cook until golden, stirring occasionally, then add the mustard seeds, curry leaves, and coriander stalks and fry until the curry leaves go crispy. (meatfreemondays.com)