BOIL 500 ml OF MILK AND ADD 100g OF NATURAL ICE CREAM MIX INTO THE BOILING MILK. BOIL IT FOR 2 TO 3 MINUTES WITH CONSTANT STIRRING TILL HOMOGENOUS LIQUID. THE COOKED MIXTURE IS COOLED AND POURED IN TRAYS (PREFERABLY IN ALUMINIUM TRAY). PLACE THE TRAY IN MAXIMUM SET FREEZING COMPARTMENT FOR 3 TO 4 HOURS. REMOVE THE TRAY AND BEAT WITH SPOON OR ELECTRIC BEATER TILL IT GETS SMOOTH. AFTER BEATING, THE ICE CREAM MAY BE SERVED OR TRANSFER INTO THE TRAY AND COVER WITH POLYTHENE SHEET AND FREEZE FURTHER FOR 30 MINS TO 1 HOUR TO BECOME FIRM, SERVE CHILLED.