In a heavy base pot, empty the entire content of Roi Thai Red Curry Soup and bring to a gentle boil.
Add in the sweet potatoes and boil for 2 minutes. Next add in the eggplant and boil a further 2 minutes. Next add in the green zucchini and the mushroom, continue to boil for another 2 minutes.
Dish up, add the lime juice and serve with steamed white rice or some crusty bread.