Wondering what to do with crab, live in shell? This guide covers how to pick it, cook it, store it, and swap it, plus 7 recipes to put it to work.
A live crab in the shell is exactly that: a whole, living crab, bought kicking so the meat is at its sweetest.
Cooking from live is the gold standard for whole crab, because crab meat spoils fast once the animal dies, and many recipes call for the crab to be alive going into the pot.
The reward is sweet, briny, snow-white meat with the deepest flavor, plus the shells and innards that give a sauce or a stir-fry its richness. Depending on where you shop, that crab might be a Dungeness, blue, brown, or mud crab.
Buying live is more work and a little daunting, but it is how the best whole-crab dishes start.
Most live crab is steamed or boiled whole. Bring a large pot of well-salted water or a steamer to a rolling boil, then add the crab and cook about 8 to 10 minutes per pound, until the shell turns bright red-orange and the meat is opaque.
For a cleaner cook and easier eating, many cooks dispatch and clean the crab first, then crack it into pieces, as in Chinese Steamed Cracked Crabs, where the cut shells let seasoning reach the meat. The cracked pieces also stir-fry beautifully in Crabs with Ginger & Green Onions and Ginger Crabs.
The shells are flavor. A roast like Roasted Marinated Crab and braises like Steamed Fresh Crab in Curry Sauce and Stir-Fried Crab Curry all use the whole crab so the sauce takes on its sweetness.
A quick humane step: chilling the crab in the freezer for 10 to 15 minutes before cooking sedates it, which makes handling safer and the cooking quicker.
Crab loves butter, garlic, ginger, scallion, chili, lemon, and soy. Asian aromatics suit a wok, while drawn butter and lemon suit a simple boil. Old Bay and other seafood seasonings are classic on Atlantic blue crab.
The first mistake is letting a crab die before you cook it. A crab that dies before cooking should be discarded, not cooked, because the meat breaks down and turns unsafe within hours. Cook them live, or buy them already cooked.
The second mistake is overcooking, which turns sweet meat tough and stringy and makes it stick to the shell. Pull the crab as soon as the shell is fully red and the meat is opaque. The third is underseasoning the water; crab boil should taste like the sea.
Cannot buy live? Whole cooked crab is the best swap, sold chilled or frozen with the same shells for a sauce, just gentler reheating. Frozen crab clusters or legs (snow or king) give plenty of sweet meat without the live handling.
For meat alone, picked crabmeat works in any dish where the shell is not part of the plan, like cakes, dips, and salads. Lobster or langoustine stand in for a similar sweet, briny shellfish in a showpiece dish. Imitation crab is a distant last resort.
A healthy live crab is lively and heavy for its size, moving its legs and claws when handled. Sluggish or motionless crabs are near death; skip them.
Weight tells you a lot. Heavy crabs are full of meat, while light ones have recently molted and are watery.
Keep live crabs cold and damp but never submerged in fresh water, which drowns them. Store them in the fridge covered with a wet cloth or damp newspaper, and cook them the same day you buy them for the best meat.
Cooked crab keeps three to four days in the fridge and freezes for two to three months, ideally still in the shell to protect the meat. Pick leftover meat from the shell within a day or two and keep it chilled.
Once a crab is cooked, never let it sit at room temperature for more than two hours.
There are 7 recipes that contain this ingredient.
Roasted marinated crab with ginger, garlic, and serrano chiles served with a butter dipping sauce. Whole crab is marinated up to 4 hours, then grilled or oven-roasted until bright red and opaque.
Whole steamed crab in shell with a Cantonese-style curry sauce of garlic, ginger, sherry, and sweet bell pepper. Restaurant-style banquet dish with theatrical presentation.
Stir-fried crabs with ginger and green onions in a classic Cantonese wok preparation. Fresh crab cooked fast over high heat with garlic, rice wine, and soy sauce.
Wok-fried ginger crabs with garlic, scallions, rice wine, and a light-dark soy sauce blend. A fast Chinese-style crab stir-fry that goes from wok to table in minutes.
Stir-fried crab curry is a Thai-style wok dish where cracked whole crab meets fish sauce, curry powder, and sesame oil. Beaten egg swirls through at the end for a silky, aromatic finish over rice.
Chinese clay pot crab stir-fried with fermented black beans, garlic, ginger, and scallions in rice wine and chicken stock. A dramatic, fragrant shellfish dish ready in 25 minutes.
Savor the delicate flavors of fresh crab steamed with aromatic ginger and scallions, served with a zesty ginger, green onion, and vinegar dipping sauce. This simple yet elegant Chinese dish highlights the natural sweetness of crab, perfect for seafood lovers.