(1) Day 1 Evening - unpack and wash the sea cucumbers, soak in a pot of water and cover lid
(2) Day 2 Morning - boil pot of water in medium fire, let water comes to a rolling boil and put in sea cucumbers. Boil sea cucumbers for 30-45 mins, off fire and let water cool down. Change with a fresh pot of water the lid covered and leave pot in fridge for overnight soaking (ensure Sea cucumber is fully submerged in the water; top up with fresh water if necessary)
(3) Day 3 Morning - extract sea cucumbers and remove internal organs, gently scrub off the inner membranes, wash clean. Prepare a fresh pot of water and put in the sea cucumbers. Boil in medium fire and boil for 30-45 mins. Off fire and let water cool down. Change with a fresh pot of water the lid covered and leave pot in fridge for overnight soaking (ensure Sea cucumber is fully submerged in the water; top up with fresh water if necessary)
(4) Day 4 Morning - check whether Sea cucumbers have expanded and softened.
(a) If yes, for those units that are softened and feels springy, prepare a fresh pot of water or tupperware and soak the sea cucumbers (pot or tupperware must be covered) in the fridge.
(b) If no, for those units that still feels hard and stiff, repeat boiling process for 15-20 mins and soak sea cucumbers in fridge in the next day
(5) Day 5 Morning Storage - Gently wash the sea cucumbers with running water, keep in food wrap and store in freezer