Chilli crab is a big-pan dish. Two mud crabs plus a litre of sauce is heavy, wide and awkward, and the usual failure at home is a burner too small for the base of the wok, which leaves a hot ring in the middle and a cool rim where the sauce never reduces.
The sauce is also sweeter and more tomato-forward than people expect if they have only had the touristy version. It should taste of chilli, garlic and fermented bean, with the sweetness supporting rather than leading.
What you need
- 2 live mud crabs, about 700g each, cleaned and cut into pieces, claws cracked
- 6 dried chillies, soaked, plus 4 fresh red chillies
- 8 cloves garlic, 4cm ginger, 4 shallots
- 2 tbsp tau cheo (fermented soybean paste)
- 3 tbsp tomato ketchup and 2 tbsp tomato paste
- 1 tbsp sambal or chilli paste, more if you want it hot
- 2 tsp sugar, adjusted at the end
- 500ml water or light stock
- 1 tbsp cornflour in 3 tbsp water
- 2 eggs, beaten
- Coriander and spring onion, to finish
- Mantou, fried or steamed, non-negotiable
Method
- Blend the chillies, garlic, ginger and shallots into a rough paste.
- Heat oil in the largest wok or pan you own. Fry the paste over medium heat for eight to ten minutes until it darkens and smells sweet rather than sharp.
- Stir in the tau cheo, ketchup, tomato paste and sambal. Cook two more minutes.
- Add the water and bring to a simmer. Taste now, before the crab goes in, and fix the balance with sugar and salt. Once the crab is in, you are committed.
- Add the crab pieces, cover, and cook 8 to 10 minutes, turning them through the sauce halfway. The shells go bright orange and the meat firms up.
- Stir in the cornflour slurry and let it thicken for a minute.
- Turn the heat down. Pour the beaten egg in a thin stream across the surface while stirring slowly in one direction. You want ribbons, not scrambled egg. Stirring fast breaks them up.
- Scatter coriander and spring onion. Serve with mantou for the sauce, which is the actual point of the dish.
The zone size problem
A wok holding two crabs has a base wider than a standard 180mm cooking zone. On a hob with fixed round zones you get uneven reduction and you will be moving the pan around to compensate.
This is what flexible zones are for. The Fujioh FH-ID3530 is a flex induction hob on SCHOTT CERAN glass with three zones. Fujioh notes a maximum 15 ampere output across up to three zones and states it is suitable for HDB kitchens, with the sensible caveat that you should confirm compatibility with a licensed electrician rather than taking a product page at its word.
The Teka IBF 64 Infinity G1 is a 60cm FlexiZone hob with DirectSense control, from Teka's Italdesign special edition. FlexiZone lets you bridge two areas into one long cooking surface, which suits a wide pan or a rectangular one better than any round zone will.
Both are in Induction Hobs, alongside the rest of Hobs & Cooktops. If you would rather do this on gas, induction or gas lays out the case both ways.
What to drink with it
Chilli crab is sweet, spicy, tomato-heavy and eaten with your hands. Big tannic reds are a bad idea, since tannin and chilli amplify each other and you end up tasting neither. An off-dry Riesling handles it well because the touch of residual sugar sits comfortably against the chilli. A chilled dry rosé works too. So does cold beer, and I am not going to pretend otherwise.
The reason to own a wine chiller in a climate like this is straightforward: a bottle stored in a kitchen cupboard in Singapore is never at a sensible serving temperature, and the fridge overshoots in the other direction and mutes everything.
The Mayer MMWC34BCS holds 34 bottles behind triple-layer anti-UV glass with removable wooden shelves, and measures 478mm wide, 480mm deep and 828mm tall, which is the freestanding-under-a-counter footprint. The Teka RVU 20046 GBK is a 46 bottle unit that can be built in or freestanding, 595mm wide and 820mm tall, with an adjustable electronic thermostat and reversible doors.
That 828mm and 820mm height is worth pausing on. A standard worktop sits around 850mm, so the clearance is tighter than most people plan for. Wine chillers: how many bottles, and where it actually fits goes through it properly, and the range is in Wine Coolers & Chillers.
Questions people ask
Can I use frozen crab?
You can, and the sauce will carry it, but the texture is looser and the shells release more water into the pan. If you use frozen, thaw completely and pat dry, and hold back 100ml of the water so the sauce does not end up thin.
Why did my egg scramble instead of forming ribbons?
The sauce was too hot, or you stirred too fast. Drop the heat before the egg goes in, pour it in a thin stream across the surface, and stir slowly in one direction only.
Is a wok necessary, or will a large pan do?
A wide, deep pan is fine and on induction is often better, since a flat base makes full contact with the zone. What matters is that the base is at least as wide as the crab pieces laid in one layer.
What wine goes with chilli crab?
Something chilled with a little sweetness and decent acidity. Off-dry Riesling is the standard answer and it works. Dry rosé and Gewurztraminer are both reasonable. Avoid heavy tannic reds, which clash with chilli and get lost against the tomato.
Do I need a wine chiller or is the fridge fine?
A fridge runs colder than white wine wants and dries corks over time. For a few bottles turned over quickly, the fridge is fine. If you keep a dozen or more, or hold anything for longer than a few weeks, a dedicated chiller with a stable adjustable temperature is the reason the category exists.
Cook next
Same wok, more speed: char kway teow. Or the calmest thing on this blog, Hainanese chicken rice on induction.