Using a Ninja® food processor or blender, blend all rempah ingredients until it becomes a paste.
Add the rempah paste to the SmartLid™ base pot and move slider to AIR FRY/HOB mode and using the SAUTÉ function at Hi-5, sauté until oil starts to split in about 20 minutes.
Add gochujang, tomato ketchup, chilli sauce and cook for 10 minutes.
Add crabs in and coat crabs with sauce, and cook for 5 minutes.
Add chicken stock and select STEAM function to steam for 8 - 10 minutes until crabs turn bright red.
Remove crabs from sauce. Select SAUTÉ function on Hi-5, add in 2 beaten eggs and lightly stir the eggs into the sauce until cooked.
Pour sauce over crabs and garnish with spring onion and Chinese celery. Serve with airfried mantou.
