Are you longing for a delicious seafood meal, but don’t want to spend the time or money oysters or shrimp? Consider cooking frozen crab legs. There is a wealth of culinary expertise wrapped up in this simple dish, and it’s surprisingly easy to make. Whether you steam, boil, bake or even grill your crab legs and claws – they can be cooked quickly and deliciously with minimal effort. In this blog post, we’ll show you how to cook frozen crab legs correctly so that you can enjoy seafood cuisine right at home.
Different types of frozen Crab Legs
Snow crab, blue crab, Dungeness crab, king crab, Alaskan king crab, and soft-shell crab are all diverse types of frozen crab legs available. Additionally, other variations include Alaskan snow crab legs, Jonah crab, crab claw meat, and golden king crab. Explore a range of crab meat options and discover numerous crab recipe ideas.
How to buy the best frozen crab legs?
When buying frozen crab legs, it’s important to choose high-quality products to ensure a delicious and safe seafood experience. Here are some tips to help you purchase the best frozen crab legs:
- Always check for the quality seal: Make sure to look for reputable brands that have been certified by regulatory bodies such as the Marine Stewardship Council (MSC) or Aquaculture Stewardship Council (ASC). This ensures that the crab legs have been sourced responsibly and sustainably.
- Check for freshness: Look for frozen crab legs with no signs of discoloration or damage. The shells should be intact, and there shouldn’t be any weird odors.
- Choose your type: Consider what type of crab you want to purchase – snow crabs are smaller and sweeter, while king crab legs have a meatier texture.
- Quantity: Estimate how much you will need for your meal or event. Typically, it’s recommended to purchase about ½ pound of crab legs per person.
How to thaw frozen crab legs?
To properly thaw frozen crab legs, follow these steps:

- Place the frozen crab legs in the refrigerator overnight for a minimum of 8 hours.
- If you’re short on space or time, you can thaw the crab legs quickly by placing them in a colander in the sink and running cool water over them.
How to open frozen crab legs?
To open frozen crab legs, follow these steps:
- Crack the Leg at the Joint: Twist the crab leg at the joint and pull out the tendon. If necessary, wear gloves or use a dish towel to protect your hands.
- Cut the Leg Open with Scissors: Use kitchen shears to cut through the shells. Pull apart the shell and remove the meat. Ensure to serve the crab legs with lemon wedges and melted butter for dipping.
Ingredients to cook frozen crab legs
Here are the ingredients you’ll need to cook frozen crab legs:
- Frozen crab legs
- Water
- Salt
- Butter for dipping (optional)
Tools to cook frozen crab legs
Tools needed for cooking frozen crab legs include:
- A large stockpot that can accommodate all of the prepared crab legs.
- A trivet that fits the pot.
- Long-handled tongs.
- Kitchen shears.
- A crab cracker (alternatively, a mallet or a nutcracker can be used).
- A steamer basket.
- Heavy-duty aluminum foil.
The frozen crab legs recipes
Here are recipes on how to cook frozen crab legs that you can try.
How to to cook frozen crab legs in instant pot?
To cook frozen crab legs in an Instant Pot, follow these steps:
- Prepare a trivet and place it into a 6-quart Instant Pot. Add 1 cup of water.
- Place 3 – 4 clusters of frozen crab legs into the pot. Fold and adjust the legs to ensure they fit properly.
- Thawing the legs is recommended for better flexibility and easier fitting.
- Optionally, set up the Instant Pot outside or ensure proper ventilation to prevent strong odors in the kitchen.
- Close the lid and cook on manual high pressure for about 4 minutes. Perform a quick release.
- Repeat the process with another batch of crab leg clusters using the same water.
Read more: How to cook dungeness crab
How to to cook frozen crab legs in the steamer?
To cook frozen crab legs in a steamer, start by placing a steam basket at the bottom of a large stockpot. Add 1 cup of water to the pot. Place as many crab legs as your pot can accommodate while still being able to close the lid tightly. Heat the water until it comes to a boil. Once boiling, cover the pot and steam cook the crab legs until they are fragrant and steaming hot. This should take approximately 5 minutes for thawed crab legs, or around 10 minutes for frozen crab legs.
How to make grilled crab legs?
To grill crab legs, follow these steps:
- Use heavy-duty aluminum foil to create a foil pack for 4 clusters of crab legs.
- Bring the two ends together in the center and fold them together twice.
- Fold the other two ends together twice to seal the foil packet. Avoid adding water; it will steam cook with the natural moisture from the crab legs.
- Grill the foil pack over medium/high heat or about 450˚F for 15-20 minutes if frozen or 10 minutes if thawed.
- It’s ready when you see steaming as you open the foil pack.
How to cook frozen crab legs in the oven?
To cook frozen crab legs in the oven, follow these steps:
- Create a foil pack similar to the grilling method using 4 crab leg clusters.
- Place the foil pack on a baking sheet.
- Preheat the oven to 450˚F.
- Bake the crab legs on the center rack of the oven for 25 minutes if frozen or 15 minutes if thawed.
- The crab legs are ready when steaming as you open the foil pack.
How to boil frozen crab legs?
To boil frozen crab legs, start by bringing a large pot of salted water to a boil. Carefully place the crab legs in the pot, ensuring they are fully submerged. Reduce the heat to medium, cover the pot, and allow them to simmer for approximately 5 to 8 minutes, or until they are heated through.

How to cook frozen crab legs dipping sauce?
To prepare a dipping sauce for frozen crab legs, follow these steps:
- In a medium saucepan, melt 4 tablespoons of butter.
- Add 2 minced garlic cloves, 1/4 teaspoon of salt, and 1/8 teaspoon of black pepper to the saucepan.
- Stir the mixture for approximately 30 seconds until fragrant, then remove the saucepan from heat.
- Squeeze in 1/2 tablespoon of lemon juice, while the saucepan is off the heat.
- Divide the sauce between ramekins to serve alongside the crab legs.
Tips for cooking frozen crab legs recipe success
- Avoid Boiling: One method to avoid when cooking frozen crab legs is boiling. Boiling can result in a watery mess when cracking the legs open, as it tends to dilute the delicious flavor of the crab meat.
- Cook Until Steaming and Fragrant: Regardless of the cooking method you choose, ensure that the crab legs are uniformly steaming and fragrant. If you don’t observe hot steam coming off them, it means they haven’t been cooked long enough.
- Use a Crab Cracker or Nutcracker: The shells of crab legs can be tough and sharp, especially at the claw. It is recommended to use a crab cracker or nutcracker to crack them open. Alternatively, good kitchen shears can also be used if a crab cracker is not available.
- Serve Hot or Cold: The juicy crab meat is equally delectable whether served hot or cold. So, don’t worry about serving them while still hot.
Substitutions & variations of frozen crab legs recipe
- Instead of traditional butter, try using garlic butter or herb-infused butter for a flavorful twist on the dipping sauce.
- For those who are lactose intolerant or vegan, substitute the butter with dairy-free margarine or olive oil for the dipping sauce.
- Add a kick of spice by mixing in some hot sauce or red pepper flakes to the dipping sauce.
- Experiment with other herbs and seasonings such as parsley, chives, or Old Bay seasoning to add extra flavor to the dipping sauce.
- For a heartier meal, try adding cooked pasta or rice to the steamer basket along with the crab legs for a tasty one-pot dish.
Guide on eating cooked crab legs
- Crack the Shell: To access the succulent meat, use a seafood cracker or nutcracker to crack the shell without crushing it. If unavailable, kitchen shears can be a suitable alternative. Cut along the leg’s length and peel back the shell to unveil the meat.
- Extract the Meat: Once the shell is cracked or cut, gently remove the delicious meat inside. A seafood pick or small fork can be helpful for smaller or hard-to-reach areas.
- Dip and Enjoy: While crab legs have exceptional flavor on their own, enhance their natural sweetness by dipping the meat in melted butter, garlic-infused oil, or a fresh squeeze of lemon. Relish the fruits of your labor by savoring the dipped crab meat.

Learning to select, prepare, and eat crab legs may seem daunting initially, but with practice, you’ll become proficient in no time. Remember to enjoy the entire experience, from the anticipation and enticing aromas to the sense of accomplishment and, of course, the first bite of your perfectly cooked crab legs.
FAQs: cook frozen crab legs
What is the best way to cook frozen crab legs?
To cook frozen crab legs, follow these steps: Place a steam basket at the bottom of a large stockpot with 1 cup of water. Add as many crab legs as your pot can accommodate while still allowing you to tightly close the lid. Bring the water to a boil, then cover and steam cook the crab legs until fragrant and steaming hot. Generally, it takes about 5 minutes for thawed crab legs and 10 minutes for frozen crab legs.
Can you cook frozen crab legs without thawing?
Yes, you can cook frozen crab legs without thawing. Boiling is a simple and effective method to do so. Here’s how:
- Fill a large pot with water, adding salt for flavor if desired.
- Bring the water to a rolling boil.
- Gently place the frozen crab legs into the pot.
- Reduce the heat to a simmer and cook for about 6-8 minutes per pound.
- Once cooked, remove the crab legs from the pot and serve with lemon wedges and dipping sauces.
How to cook frozen crab legs from grocery store?
To cook frozen crab legs from the grocery store, follow these steps:
- Place a steam basket at the bottom of a large stockpot with 1 cup of water.
- Add as many crab legs as your pot will accommodate and still close the lid tightly.
- Bring the water to a boil, then cover and steam cook until fragrant and steaming hot.
- For thawed crab legs, this should take about 5 minutes.
- For frozen crab legs, this should take about 10 minutes.
How long to cook frozen Dungeness crab legs?
To cook frozen Dungeness crab legs, follow these steps:
1. Thaw the crab legs in the refrigerator for at least 24 hours prior to cooking.
2. Prepare a large pot of water by generously salting it. Bring the water to a rolling boil.
3. Carefully place the crab legs into the boiling water. Add desired seasonings and cover the pot with a lid.
4. Cook the crab legs at a rolling boil for 12 minutes. Remove the lid and check for a red shaded shell.
5. Take the cooked crab legs out of the pot and serve immediately for a hot dish, or plunge them into an ice bath for cold crab legs.il or butter, and bake for 3-4 minutes per side. Then dig into the deliciousness just 5 to 6 inches away from your broiler.
How long to cook frozen crab legs in boiling water?
To cook frozen crab legs in boiling water, boil them for approximately 10 minutes.
How do you cook pre frozen king crab legs?
To cook pre-frozen King Crab Legs, follow these steps:
- Preheat your grill to 300 degrees Fahrenheit.
- Brush the King Crab Legs with olive oil, ensuring they are generously coated.
- Place the King Crab Legs on the grill and let them cook for 3-5 minutes.
- Flip the legs over to the other side and continue grilling for another 3-5 minutes. Be attentive to prevent burning.
- Remove the King Crab Legs from the grill. Serve and enjoy.
How do you know when frozen crab legs are cooked?

Nia Grace is the owner and head chef of The Underground, a new quick-service restaurant in Memphis. After surveying the area’s dining landscape and speaking with local residents, she determined that there was a lack of restaurants offering international cuisine. Drawing on her own multicultural background (her parents are from Guyana and Jamaica), Nia has created a menu that features dishes from all over the world. Her goal is to provide Memphians with a variety of flavorful options that reflect the city’s diverse population.
I liked that simple and easy. No over 30 minute long!
Happy cooking!
Don’t thaw the crab legs eric, also, you can put the crab legs on a semi deep cookie sheet or roasting pan with a raised wire bottom rack, add water to just below the rack and cover with a lid or make a tent from aluminum foil and steam them in the oven at 350 for 8-10 minutes. They turn out out great!
Thanks your comment!
Yeah… This good, but what if you don’t have a steamer?
Take a small metal strainer and put it at the bottom then perch the crab legs on top.