Singapore Chili Crab

Method

1. Make the chili paste by blending the fresh chiles, garlic, ginger, and shallots into a rough paste. Don't make it completely smooth — some texture is good.

2. Prepare the crab by cleaning and quartering the crabs. Crack the claws with the back of a knife so the sauce can penetrate. If using live crabs, dispatch humanely first (freeze for 30 minutes to sedate).

3. Stir-fry the crab by heating oil in a wok over high heat. Add the crab pieces and stir-fry for 3-4 minutes until the shells turn red. Remove and set aside.

4. Cook the sauce in the same wok. Add the chili paste and stir-fry for 2 minutes until fragrant. Add ketchup, sambal, soy sauce, vinegar, sugar, and chicken broth. Bring to a simmer and cook for 3-4 minutes until the sauce is cohesive and slightly reduced.

5. Return the crab to the wok and toss to coat in the sauce. Cover and cook for 5-6 minutes until the crab is cooked through and the sauce has penetrated the shells.

6. Thicken and finish by stirring the cornstarch slurry into the sauce. While stirring, drizzle in the beaten egg in a thin stream — it will form silky ribbons throughout the sauce. Add scallions and cilantro.

7. Serve immediately on a large platter with the sauce pooled around the crab. Provide mantou or crusty bread for dipping, crab crackers, and plenty of napkins. In Singapore, chili crab is eaten at hawker centers and seafood restaurants — it's messy, communal, and the sauce-soaked bread is the best part.

Equipment

• Wok or large skillet Recommended: Joyce Chen 14-Inch Carbon Steel Wok
• Blender Recommended: Ninja Professional Plus Blender
• Crab crackers
• Wok Recommended: Joyce Chen 14-Inch Carbon Steel Wok
• Saucepan Recommended: Cuisinart Chef's Classic 3-Quart Saucepan
• Tongs Also good: Wok Spatula

Chef Notes

• The most important thing: The sauce is the star — sweet, spicy, tangy, and slightly thick. It should cling to the crab shells and pool on the plate for dipping with bread. If the sauce is too thin, it slides off the crab and you lose the whole experience.
• Use whole crab, not just crab meat. Eating chili crab is a hands-on, messy experience — cracking shells, sucking out sauce, and dipping bread in the pool of sauce on the plate. Pre-picked crab meat misses the point entirely.
• The beaten egg stirred in at the end creates silky ribbons in the sauce — like egg drop soup. It adds richness and body. Drizzle it in slowly while stirring.
• Ketchup is a legitimate ingredient here, not a shortcut. Singaporean chili crab sauce uses ketchup as a tomato-sugar base. It's been part of the recipe since the dish was invented in the 1950s.
• Serve with mantou (fried Chinese steamed buns) for sopping up the sauce. The soft, slightly sweet bread is the perfect vehicle.

Common Substitutions

Ingredient	Substitution	Notes
Whole Dungeness crab	Blue crab, mud crab, or king crab legs	Any crab works — adjust cook time based on size
Fresh red chiles	3 tbsp sambal oelek (increase amount)	Less fresh flavor but provides the heat
Mantou (fried buns)	Crusty French bread	Different texture but equally good for sauce-sopping
Ketchup	2 tbsp tomato paste + 1 tbsp sugar	More concentrated — add extra broth to thin
Whole crab	Crab legs or large shrimp	Easier to eat but loses the shell-cracking experience

What You're Practicing

Chili crab teaches you wok-based sauce building — stir-frying an aromatic paste, building a sauce in the same wok, then cooking the protein in the sauce. This same technique drives Thai curries, Malaysian rendang, and Indonesian sambal dishes. The wok's high heat concentrates flavors quickly. Visit Techniques for more on wok sauce-building.

The egg-ribbon technique (drizzling beaten egg into hot sauce) appears in Chinese egg drop soup, Italian stracciatella, and Greek avgolemono. Understanding how egg proteins set in hot liquid — and how to control the texture by adjusting the drizzle speed — is a useful skill across many cuisines.