By Beleaev Family | International Caviar & Gourmet, Head Office London | beleaev.com
Singapore chilli crab is the dish that defines South-East Asian seafood cooking. Whole crab cooked in a sweet, spicy, tangy tomato-based sambal sauce, served with deep-fried mantou buns to mop up the sauce. It's messy, it's loud, it's communal, and it's one of the great food experiences on earth.
The classic version uses Sri Lankan mud crab. In the UK, fresh Cornish brown crab works beautifully and is more accessible. The technique stays the same regardless of crab variety: fry the spice paste hard to develop depth, simmer the crab in the sauce until cooked through, finish with eggs whisked in to give the sauce body.
This recipe gives you the home version. 35 minutes from cold pan to plate. Ingredients available at any decent Asian supermarket. A result that really tastes like the dish at Long Beach Seafood in Singapore (where the modern version was created in 1956).
Key Takeaways
- Use whole live or fresh-killed Cornish brown crab, around 1.2kg
- Make the sambal paste from scratch, jarred won't deliver
- Egg whisked in at the end gives the sauce body
- Serve with fried mantou or bao buns to mop the sauce
- Eat with hands and bibs, knife and fork ruins the format
The Ingredients
Serves 2-3
For the crab:
- 1 whole live Cornish brown crab, around 1.2kg, dispatched and split by the fishmonger
- 3 tbsp neutral oil
For the sambal paste:
- 4 large red chillies, deseeded
- 4 small dried red chillies, soaked in hot water for 10 minutes
- 4 garlic cloves
- 2 small shallots
- 5cm piece fresh ginger
- 1 stalk lemongrass, white part only
- 2 tsp shrimp paste (belacan)
For the sauce:
- 4 tbsp tomato ketchup
- 2 tbsp chilli sauce (Singaporean or Thai)
- 2 tbsp light soy sauce
- 2 tbsp rice vinegar
- 2 tbsp soft brown sugar
- 1 tsp salt
- 300ml chicken stock or water
- 1 tbsp cornflour mixed with 2 tbsp cold water
- 2 large eggs, lightly beaten
For serving:
- 6-8 small mantou or bao buns, deep-fried until golden
- Fresh coriander leaves
- Sliced spring onions
- 2 lime wedges
The crab quality is essential. Get a live or freshly killed Cornish brown crab from a fishmonger that morning. Ask them to dispatch and split it for you. The crab should still be cold and the shell bright orange-red.
Shrimp paste (belacan) is non-negotiable for proper Singapore flavour. Available at Asian supermarkets in small blocks. Don't substitute fish sauce, the flavour is different.
The Method, Step by Step
Step 1: Prepare the Crab
If your fishmonger has split the crab, you should have the body in halves with the legs and claws still attached, plus the cleaned outer shell. Crack the claws gently with the back of a heavy knife so the sauce can penetrate and the meat is easy to extract while eating.
Step 2: Make the Sambal Paste
Blend all sambal paste ingredients in a small blender or pestle and mortar until smooth. Add a splash of water if needed to help blending.
Step 3: Fry the Sambal Paste
Heat 3 tablespoons of oil in a wok or large heavy pan over medium-high heat. Add the sambal paste and fry for 5-6 minutes, stirring constantly, until the oil separates and the paste turns deep red-brown and aromatic.
This step matters. Under-fried paste tastes raw and harsh. Properly fried paste tastes deep and complex.
Step 4: Add the Sauce Ingredients
Add the ketchup, chilli sauce, soy sauce, vinegar, sugar, and salt. Stir to combine. Pour in the stock. Bring to a simmer.
Taste. Adjust seasoning. The sauce should be sweet, spicy, tangy, and savoury all at once. If too spicy, add more sugar. If flat, more vinegar.
Step 5: Cook the Crab
Add the cracked crab pieces to the simmering sauce. Spoon sauce over the shells. Cover with a lid. Simmer for 8-10 minutes, turning the pieces once midway, until the crab is cooked through (the meat is opaque white and firm).
Step 6: Thicken and Finish
Lift the crab pieces onto a warm serving platter, leaving the sauce in the wok.
Increase the heat. Pour in the cornflour slurry. Bring back to a simmer, stirring, until the sauce thickens.
Pour the beaten eggs in a slow stream while stirring constantly. The eggs should form thin ribbons throughout the sauce, similar to egg drop soup.
Step 7: Plate and Serve
Pour the sauce over the crab pieces on the platter. Scatter coriander leaves and spring onions. Add lime wedges.
Serve with the deep-fried mantou buns alongside for mopping. Provide bibs, finger bowls, and lots of napkins. This is hands-on eating.
Tips for Getting It Right
Live or fresh-killed crab matters. Frozen pre-cooked crab doesn't absorb the sauce properly and the meat goes mushy. Fresh crab gives you sweet firm meat that holds up to the assertive sauce.
Crack the shells before cooking. The sauce needs to penetrate the shell to flavour the meat. Skip the cracking and your dish has flavoured shells with bland meat inside.
Fry the sambal paste properly. The 5-6 minute fry is the difference between deep complex sauce and harsh raw chilli. Don't rush.
Don't overcook the eggs. The eggs go into the sauce in a slow stream while stirring, creating delicate ribbons. Cooked too long, the eggs scramble into chunks.
Eat with hands. Knife and fork ruins the format. This dish exists for the messy joy of cracking shells, sucking sauce, mopping with bread. Embrace it.
Variations and Pairings
With caviar topping: Plate a small spoon (10g) of Beleaev Wild Salmon Roe on the side as a textural counterpoint to the rich crab. Modern fusion approach.
Black pepper crab variation: Replace the sambal-tomato sauce with a black pepper sauce (lots of cracked black pepper, soy, oyster sauce, butter). The Singaporean cousin to chilli crab.
With lobster: Substitute the whole crab with Beleaev Blue Lobster. The technique is the same, the result more delicate.
With prawns: A more accessible weeknight version. Use 600g of large unpeeled prawns instead of crab. Cook for just 4 minutes in the sauce.
Wine pairing: A chilled Gewürztraminer, an off-dry Riesling, or a Singapore Sling. Avoid heavy reds and oaked wines entirely. Beer (Tiger or Singha) is the local pairing.
For more crab dishes, see our salt and pepper crab and crab fried rice recipes.
Frequently Asked Questions
Can I use frozen crab?
Live or freshly killed gives the best result. Frozen pre-cooked crab works but the texture is slightly inferior, the meat doesn't absorb the sauce as well. If using frozen, defrost slowly in the fridge over 24 hours and increase the simmering time by 2-3 minutes.
What's the difference between Singapore chilli crab and chilli crab elsewhere?
Singapore chilli crab uses a tomato-based sweet-spicy sauce with egg whisked in for body. Other versions: Hong Kong-style uses lighter ginger-soy. Cantonese uses just chilli oil. Thai uses fish sauce and palm sugar. Each is a different dish with its own logic.
What if I can't find shrimp paste?
Shrimp paste is essential for proper Singapore flavour. If unavailable, use 2 tablespoons of fish sauce as a substitute, but the flavour will be lighter and less complex. Indian Chinese supermarkets, large Asian grocers in Chinatown, and many online stores stock proper Singaporean belacan.
How spicy should it be?
Properly spicy but not destructive. The dish should taste of chilli depth, not chilli pain. Adjust the dried chilli quantity to your tolerance. The sweetness from sugar and the tanginess from vinegar both balance the heat. A well-made chilli crab is intense but not overwhelming.
Further Reading
A platter of Singapore chilli crab in the middle of the table, with mantou buns on the side and napkins everywhere, is one of those communal meals that creates a proper occasion. Discover Beleaev's wild salmon roe and lobster collection, the perfect addition to any Asian-inspired feast, at beleaev.com.
Beleaev is an international caviar and gourmet house headquartered in London, with fulfilment hubs across the UK, Europe, the UAE, and the United States. We deliver responsibly farmed Beluga, Oscietra, Sevruga, and Kaluga caviar to customers in each region within 24 to 48 hours.
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