The fried Gobi pieces to this mixture and depending upon the dryness of the mixture, you may add 2 more tablespoons of the sweet & sour sauce. Same procedure for veg. manchurian, but instead of using only cauliflower, use finely chopped minced vegetables and bind with some cornflour or bread crumbs and make small lumps the size of a pingpong ball. Fry as above and proceed as above.