Remove any whole bay leaves, cloves, etc. from biryani. Run it in a small mixie, with short spurts, till rice is crushed a little. In a heavy frying pan, dry roast semolina, stirring continuously. When aroma exudes, add boiling water, stir till the mixture is cooked. Add more water if required to make a soft mixture. Add crushed biryani, salt and spices if required after checking taste. Add cornflour,cool mixture, form into pingpong ball sized rounds. Press in palm, place a small piece of cheese cube in center. Bring up sides, shape again into a ball, with cheese tucked inside. Keep oil to heat in a frying pan. Roll each ball in a plate of sesame seeds. Press seeds in place by enclosing with palms. Let into hot oil, to deepfry till g