1. Slice red and green bell pepper; mince garlic; quarter onion; cut scallion and Chinese celery into sections, set aside.
2. Prepare the crab. First, make a cut in the centre with a chopping knife , dislodge the top shell, discard stomach, chop off sharp tips, remove the gills, then chop off the claws, rinse and chop up into pieces.
3. Heat oil to around 180℃ to 200℃, dust a bit of corn starch on the crab, briefly deep fry the claws first, then place the rest of the crab in, deep fry until it turns red, drain.
4. Beat eggs; mix 2 tbsp of corn starch with a little water.
5. Add oil into a heated wok, sauté minced garlic till fragrant, add the crab, stir well, pour water and evaporated milk, bring to a boil, add sugar, chicken powder, salt, curry powder, white pepper and fish sauce.
6. Stir in bell peppers, scallion, Chinese celery and onion, thicken the sauce with corn starch and water mixture, turn heat off, pour beaten eggs, stir well and serve.