Rinse chrysanthemum flowers and longan 2-3 times and drain.

Combine agar agar powder, rock sugar and water together in a pot, followed by dried longan and chrysanthemum flowers. Stir to boil under medium heat. Lower heat and continue to stir mixture for another minute. Remove chrysanthemum flowers with a spoon but reserve some for decoration.

Pour some agar agar liquid into mould. Using a pair of tweezers to clip the chrysanthemum flower into mould. Then fill up the mould with remaining agar agar liquid and longan.

Leave jellies to set in refrigerator for few hours before serving.