Wash and cut watermelon into two halves horizontally. Remove flesh and separate from seeds and reserve it for making juice. Scrap the watermelon cover free from any flesh

Whip the chilled whipping cream until soft peaks are formed. With a spatula, fold half of the whipping cream into the condensed milk mixture. Then pour the mixture into the remaining whipping cream and mix. Pour into the frozen melon cage and place in freezer.

Let it freeze overnight and remove from freezer. Allow it to thaw if it is too frozen then slice as slicing a melon and enjoy.