What happens next?

How to make elderflower granita
Pour the elderflower cordial into the freezer-proof container.
Add the spring water. Stir together.

Possible answers:
(1). Put the lid on and place in the freezer. Leave for 1 hour or longer to blanch the meleem root which should be extremely water-soaked.;
(2). Remove the watermelon juice from the freezer with a spoon or spatula and pour into prepared cup. Draw out the watermelon from the freezer and fill the container with the contents of the prepared watermelon mixture.;
(3). Allow to the cordial to chill and harden slightly for 1-3 days before using. Scoop the cordial into the freezer-proof container.;
(4). Place the container into the freezer and leave to freeze overnight. Remove from the freezer the following day.;
(4).