Boil lychee syrup, water, sugar, agar agar powder and lemon grass together. Keep stirring it for about 3 minutes to boil at medium heat. Discard lemon grass and pass through a sieve.Turn to low heat and keep agar agar liquid warm.

Using a pair of tweezers and dip black currant into agar agar liquid, then stick it on fish mould eyes.

Mix fresh milk with 1 tablespoon agar agar liquid in a small bowl. Use a brush and dip into the milk liquid, then brush quickly on to the fish mould body and set aside.

Pour blended lychee and 1-2 drops of rose pink colouring into the agar agar liquid and stir to boil again at medium heat. Off heat and cool down the lychee liquid mixture a little. Then gently pour the lychee liquid into the fish mould from the tail side, so that the fish eyes will not drop off easily and chill for at least 2-3 hours to set or overnight.