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Seafood prep and kitchen kit chosen to make the guide easier to use.
Cooking a live crab can feel daunting, but done kindly and correctly it is straightforward — and the reward is sweet, fresh crab meat that is hard to beat. We follow the latest Seafish welfare guidance for despatching a crab humanely at home, then it is simply a matter of timing. Here is everything you need.
Seafood guide
A simple route through buying, storing, cooking and serving seafood at home without making the page feel busy.
Cook a Live Crab is here to make seafood feel easier at home: what to buy, how to handle it, and how to cook it with confidence.
Start with seafood that looks and smells fresh, then keep the plan simple. Good fish, shellfish and coastal ingredients do not need a complicated route to the plate.
Seafood prep and kitchen kit chosen to make the guide easier to use.
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Hand-picked Down The Cove ranges that pair with this read.
Keep seafood chilled, unpack it when you get home, and cook it while it is at its best. A calm kitchen starts with good storage.
Use gentle heat, short timings and a little patience. Most seafood rewards simple cooking more than heavy sauces or overworked methods.
Serve seafood with clean flavours, enough time to rest, and a little confidence. Lemon, herbs, butter, good bread or a simple salad often do the job beautifully.
Read straight through, or use the seafood notes above to keep buying, cooking and serving simple.
IMPORTANT...
Make sure that your crab is still alive before cooking it. When a crab dies bacteria will quickly destroy the meat so it is important to either cook the crab while it is still alive or immediately after it has died.
A crab that has limp claws or whose antennae isn't twitching when you pick it up is close to death and should be cooked immediately.
It is possible to get a crab in advance of a special occasion but we would advise cooking it when you get it and then keeping the cooked crab in the fridge until it is required.
A cooked crab can be kept in the fridge for a couple of days.
Nobody likes the thought of killing something and many people, including chefs, do not like cooking live crabs. While commercial shellfish processors are now required to use a stun gun to kill shellfish, this is not the case for domestic consumers.
The current guidance by Seafish, working alongside the Shellfish Association of Great Britain (SAGB) and the Crab and Lobster Management Group (CMG) is as follows:
"In terms of despatch at home by consumers, current advice is that crab should not be boiled alive (either by placing in cold water which is raised to a boil or already boiling water). Instead they should be put in the freezer for 30-60 minutes, before being placed immediately into boiling water" - Seafish UK 03.08.22
We will monitor this and change the advice should anything change.
For more information about shellfish welfare please visit https://www.seafish.org/about-us/news-blogs/seafood-industry-focuses-on-crustacean-welfare/
Imperial
Metric
Cooking Time
1 - 1 ¼ lb.
500g
12 - 15 mins
1 ¼ - 2 lb.
500g-900g
15 - 20 mins
2-3 lb.
900-1350g
20 - 25 mins
3-7 lb.
1350-3kg
25 - 30 mins
Over 7lb
Over 3kg
3 mins per lb / 500g
When your crab is cooked, remove it from the water and leave it to cool.
Seafood prep and kitchen kit chosen to make the guide easier to use.
