4 Ways To Cook A Crab - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Cook a Crab PDF download Download Article Co-authored by Ashley Crawford and Jessica Gibson

Last Updated: May 29, 2025 References

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  • Humanely Killing a Crab
    • |
  • Steaming a Crab
    • |
  • Boiling a Crab
    • |
  • Grilling a Crab
    • |
  • Video
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  • Q&A
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  • Tips
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This article was co-authored by Ashley Crawford and by wikiHow staff writer, Jessica Gibson. Chef Ashley Crawford is a Private Chef and the Founder of A Taste of Chef Ash. Chef Ashley started in the culinary industry when she was 14. She specializes in Creole and Cajun cuisine but has experience in all culinary topics. She has been featured in ESPN and Sports Illustrated for her culinary work with athletes. There are 9 references cited in this article, which can be found at the bottom of the page. This article has been viewed 218,714 times.

Crabs make a simple and elegant dinner. Since crab can be expensive if you're eating in a restaurant, try cooking crab at home. If you're pressed for time, you can ask the person at the seafood counter or market to kill the crabs before you take them home (you'll just need to use them immediately). You can also humanely kill your crabs at home before cooking them. Once your crabs are ready for cooking, decide if you'd like to steam them to keep their sweet flavor. You can also boil crab to cook it quickly.[1] Crabs also do well when cooked on the grill.

Steps

Method 1 Method 1 of 4:

Humanely Killing a Crab

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  1. Step 1 Freeze your crabs. 1 Freeze your crabs. Place your crabs in the freezer for several hours. The cold air will numb the crabs and cause them to move around much slower. This makes it easier to handle the crabs when killing them and may even dull their pain. Remember that once they're desensitized to pain, you should kill them immediately so they don't recover and feel pain again.[2]
    • If your crabs are larger, they'll take longer to freeze.
  2. Step 2 Check for signs of sensitivity. 2 Check for signs of sensitivity. You'll know your crab has frozen long enough when it's easy to handle or manipulate. The crabs shouldn't be moving their limbs at all or react when you touch near their mouthparts.[3]
    • Try tapping a crab's shell. If the crab's eyes don't react, then the crab is desensitized.
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  3. Step 3 Spike the crab to kill it. 3 Spike the crab to kill it. You can quickly pierce the two nerve centers on a crab to immediately and painlessly kill the crab. Place your immobile crab on a non-slip mat so that it's on its back. Lift up the tail flap. You should see a hole that looks like a small dot. This is directly over a nerve center. Take a knife (or awl) and spike into this tiny hole at an angle of 85°. Do this again for the front nerve center.[4]
    • The front nerve center is located in the shallow depression at the front of the crab. Insert this spike at an angle of 60°.
    • The whole spiking process should take less than 10 seconds. You can then cook the crab according to any method you'd like.
  4. Step 4 Consider buying and thawing frozen crab. 4 Consider buying and thawing frozen crab. If you don't want to worry about cooking a very fresh crab or killing it yourself, buy frozen crab legs and claws. These are steamed before they're frozen so all you need to do is heat them back up. To thaw your frozen crab you can either:[5]
    • Place the frozen crab in the fridge and let it thaw overnight
    • Place the frozen crab in a container of cool water that's set in your sink or on the counter
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Method 2 Method 2 of 4:

Steaming a Crab

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  1. Step 1 Bring a pot of water to boil. 1 Bring a pot of water to boil. Choose a large stock pot that can hold a steamer in the bottom. It should also have a tight-fitting lid. Fill the pot with about 1 inch of water and place the steamer in the bottom. Cover the pot with the lid and bring the water to a boil.
    • If you don't have a steamer insert, twist a long sheet of foil into a rope and place it in the bottom of your pot twisted into a figure 8.
  2. Step 2 Add the crabs to the pot. 2 Add the crabs to the pot. Use tongs to pick up a crab from behind so that one tong arm is on its belly and the other is on its back. The legs of the crab should hang on both sides of the tong arms. Set the crabs onto the steamer rack.
    • You should put the crab on the steamer so that its back is facing up towards you.
  3. Step 3 Steam the crabs. 3 Steam the crabs. Cover the pot with the lid and bring the water back to a boil over high heat. Let the crabs steam for 1 minute. You should reduce the heat to medium-high and let the crab keep steaming until it's cooked (about 15 more minutes for 2 pounds of crab).
    • You can figure your cooking time as being about 7 minutes for each pound of crab that you're steaming.[6]
  4. Step 4 Remove the crabs. 4 Remove the crabs. Lift the crabs out of the pot using your tongs. Set them in a colander over cold running water or submerge them in a bowl of ice water till they're cool. Avoid handling the crabs while they're still hot since the water inside the crabs may be boiling hot.
    • Be careful with dripping hot water as you lift the crabs out of the pot. Consider lifting the crabs up, letting them drip for a second, then transferring them to cold or ice water.
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Method 3 Method 3 of 4:

Boiling a Crab

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  1. Step 1 Check the size of your pot. 1 Check the size of your pot. Select a large stock pot that has a lid and place your crabs into the pot to see if they all fit. There should still be 3 or 4 inches of space near the top of the pot once your crabs are in the bottom. Remember how far up the sides your crabs come.[7]
    • Remove the crabs and set them aside while you get the water ready.
  2. Step 2 Bring water to a boil. 2 Bring water to a boil. Fill the pot with water so the water is 2 or 3 inches over where the crabs were. Cover your pot and bring the water to a boil over high heat. You'll notice steam escaping from under the lid when the water begins to boil.[8]
    • For even more flavor, consider boiling the crabs in a vegetable stock. For a simpler flavor, you could just add a sliced lemon to the water.[9] [10]
  3. Step 3 Add the crabs and boil them. 3 Add the crabs and boil them. Carefully lower the crabs into the pot of boiling water. Cover the lid with the pot and set a timer for 15 minutes (if you're cooking one or two 1/2 pound crabs) or 20 minutes (if you're cooking larger crabs). Once the water begins to boil again, lower the heat so the water is only simmering.[11]
    • You'll need to watch the pot of boiling crabs while they cook. Make sure that the water is always at a lively bubble. Avoid boiling the crabs for the entire cooking time since this can make the crab meat tough and rubbery.
  4. Step 4 Remove the crabs. 4 Remove the crabs. Use tongs to lift the crabs out of your pot. Place them in a colander so the hot water will drain out of the crabs and into the sink. If you'd like to dress your crabs quickly, run cold water over them while they're in the colander.
    • Use caution when handling boiling water and the cooked crabs. Use oven mitts to hold the tongs (especially if your tongs are metal) since the tongs may heat up as well.
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Method 4 Method 4 of 4:

Grilling a Crab

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  1. Step 1 Prepare your grill and crab marinade (if using). 1 Prepare your grill and crab marinade (if using). Heat your grill to high using direct heat. While the grill is heating, gently hit the crab shells with a rolling pin to slightly crack them. This will help the marinade soak in more. To make a marinade, combine olive oil, salt, and garlic (all to taste). Coat the crabs in the marinade.[12]
    • You can make the marinade ahead of time (up to 3 hours before grilling). This will give the crabs more flavor.
    • If you don't want to marinate the crabs, you should at least cut the shells of King Crab legs and cover them with a little oil. This will keep them from sticking to the grill and will make it easier to get to the meat.
  2. Step 2 Grill your crab. 2 Grill your crab. Place the crabs directly on the cooking grate of your grill. You may want to use tongs to set the crabs on the grill if you're worried you'll burn yourself. Try to arrange thicker or whole crabs on the hottest part of the grill (usually in the center). If you're using pre-steamed crabs that were frozen and thawed, grill them for 4 minutes and then turn them over using your tongs. Grill them for another 4 minutes.[13]
    • If you're using fresh crabs that you just killed, grill them for 10 minutes and then turn them and cook for another 10 minutes.[14]
  3. Step 3 Finished. 3 Finished.
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Community Q&A

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  • Question Should I put the crabs into boiling water or into cold water? Community Answer Community Answer If you're using recently killed crabs, it doesn't really matter although cooking them in boiling water will speed up cooking time. This will make the meat more tender than if you bring the crabs to a boil starting with cold water. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 2 Helpful 8
  • Question How do I grill crabcakes? Michele Michele Top Answerer Due to the nature of crab cakes, you can't grill them directly on the grill. Instead, cook them in a pan on the grill. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 3
  • Question Can I buy live crabs and keep them in refrigerator and then cook them the next day? Qamar Qamar Top Answerer Yes, you can. Most people would recommend them to wrap them in a damp cloth or newspaper to keep them moist. As they stay in the fridge for the night, they will go through a hibernation phase and still be alive the next day for cooking. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 5
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Video

Tips

  • If you have mud crabs, full cooking instructions can be found in the wikiHow How to Cook Mud Crab. Thanks Helpful 3 Not Helpful 0
  • Keep a few windows open since the fishy crab smell may linger for a few days if your kitchen isn't well ventilated. Thanks Helpful 1 Not Helpful 0
  • Remember that live crabs may pinch. Use caution when handling them. Thanks Helpful 1 Not Helpful 0
Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

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References

  1. ↑ Ashley Crawford. Private Chef. Expert Interview
  2. ↑ http://kb.rspca.org.au/What-is-the-most-humane-way-to-kill-crustaceans-for-human-consumption_625.html
  3. ↑ RSPCA UK. Humane electrical stun/killing of Crustacea.
  4. ↑ https://kb.rspca.org.au/knowledge-base/what-is-the-most-humane-way-to-kill-crustaceans-for-human-consumption/#fn10
  5. ↑ https://food52.com/blog/13360-grilling-crab-is-easier-than-you-think
  6. ↑ https://www.thekitchn.com/how-to-cook-and-clean-dungenes-104352
  7. ↑ https://www.sunset.com/food-wine/flavors-of-the-west/dungeness-101-how-cook-crab
  8. ↑ https://www.sunset.com/food-wine/flavors-of-the-west/dungeness-101-how-cook-crab
  9. ↑ https://www.bbcgoodfood.com/recipes/2406/cooking-fresh-crab
More References (5)
  1. ↑ Ashley Crawford. Private Chef. Expert Interview
  2. ↑ https://www.sunset.com/food-wine/flavors-of-the-west/dungeness-101-how-cook-crab
  3. ↑ https://food52.com/blog/13360-grilling-crab-is-easier-than-you-think
  4. ↑ https://food52.com/blog/13360-grilling-crab-is-easier-than-you-think
  5. ↑ https://www.louisianacookin.com/barbecued-crabs/

About This Article

Ashley Crawford Co-authored by: Ashley Crawford Private Chef This article was co-authored by Ashley Crawford and by wikiHow staff writer, Jessica Gibson. Chef Ashley Crawford is a Private Chef and the Founder of A Taste of Chef Ash. Chef Ashley started in the culinary industry when she was 14. She specializes in Creole and Cajun cuisine but has experience in all culinary topics. She has been featured in ESPN and Sports Illustrated for her culinary work with athletes. This article has been viewed 218,714 times. 1 votes - 100% Co-authors: 24 Updated: May 29, 2025 Views: 218,714 Categories: Crab Article SummaryX

If you want to cook crabs, begin by letting frozen crabs or crab legs thaw overnight in the refrigerator. Then, fill a large pot with water, or vegetable stock for more flavor, and bring it to a boil. Add the crabs to the water, then bring the heat down to a simmer and cook them for 20 minutes. When the crabs have cooked through and have turned reddish, remove them from the pot with tongs and let them drain in a colander before serving. If you want to learn how to steam or grill your crab, keep reading the article! Did this summary help you?YesNo

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Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Ashley Crawford Co-authored by: Ashley Crawford Private Chef Co-authors: 24 Updated: May 29, 2025 Views: 218,714 100% of voters found this recipe helpful. 1 votes - 100% Click a star to add your vote

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