Add potatoes, cauliflower, salt & another 2 cups water. Cook for 15 minutes. Heat ghee over high heat, when very hot, add cumin seeds & fry till they turn dark brown. Add chilies & red pepper & stir briefly. Pour contents into the stew. Add lemon juice & coriander leaves. Mix well. Serve with plain cooked rice. Julie Sahni, "Classic Indian Cooking"