Beautiful king crab legs smoked over oak and basted in a buttery spice blend. This is an easy, crowd-pleasing seafood barbecue recipe that works for summer cookouts or any time you want impressive, flavorful crab.
- Snow crab or king crab?
- Which one to choose?
- Preparing the crab legs
- Choosing the right wood
- Smoking it
- Serving
- How to open crab legs
- Smoked King Crab Legs
Crab legs are a familiar menu favorite, usually steamed or boiled. This version is different: we gently smoke pre-cooked crab legs to add smoky depth while finishing them in butter and spices. Smoking doesn’t need to penetrate thick shell to add flavor — the butter and seasoning, plus light smoke, create a memorable result.
Snow crab or king crab?
In North America the two common varieties for cooking are snow crab and king crab. Snow crab is actually a group of related species found in cold northern waters. In some regions they’re also called queen crabs. King crabs typically refer to the red or Alaskan king crab and are generally larger and more costly.
Both work well smoked; the choice comes down to texture, flavor and budget. Snow crab tends to have longer legs and flakier, fibrous meat with a light sweet-salty flavor. King crab is richer, sweeter and often compared to lobster meat for its tender texture.
As a serving guide, allow roughly 1.5–2 pounds per person when crab legs are the main attraction, or about 1 pound per person if you serve sides alongside.
Which one to choose?
Snow crab shells are thinner and easier to crack by hand, while king crab shells are thicker and spikier and often need tools to open. Snow crab is more affordable and widely available; king crab is pricier and sometimes harder to find. Flavor preferences vary: pick snow crab for a lighter, flakier bite and king crab if you want a richer, meatier texture.
Cooking times for smoking are similar for both, so you can use the same method regardless of which you buy.
Preparing the crab legs
Most crab legs sold in the U.S. are already cooked and flash frozen, often cooked aboard the boat. Smoking mainly adds flavor and reheats the meat, so the cook time is short.
The butter
Make a basting butter to accent the smoke. Melt butter — roughly 1 pound of butter per 10 pounds of crab legs is a good ratio — then skim off the white foam (milk solids) if you prefer clarified butter. Clarified butter is clearer and better for basting and dipping, but skimming is optional.
The spices
Stir your spice mix into the melted butter. Adjust spices to taste; here’s a robust example you can grind together and use:
- ¼ cup salt
- ½ tablespoon mustard seeds
- ½ tablespoon peppercorns
- 2 tablespoons coriander seeds
- 1 tablespoon celery seeds
- 2 teaspoons whole allspice berries
- 2 teaspoons dill seeds
- 2 teaspoons dried oregano
- 2 teaspoons paprika
- 1 teaspoon red pepper flakes
- 4 bay leaves
Grind the spices to a powder, combine with the melted butter, then pour into a tray and dip each crab leg to coat it well. Set the basted legs aside while you prepare the smoker.
Choosing the right wood
Seafood benefits from lighter, milder woods. Avoid heavy, strong woods like mesquite or hickory that can overpower delicate crab. Fruitwoods such as apple, cherry or peach provide a gentle, sweet smoke. Alder is classic and light; oak gives a bit more presence without overwhelming the meat. Citrus woods and milder options like apricot or mulberry also pair nicely.
Never use softwoods (pine, fir, etc.) since their resin can impart off flavors and harmful compounds.
Smoking it
Set the smoker to 225–235°F (about 107–113°C). Because the crab is precooked, you’re reheating and flavoring rather than raw-cooking, so plan on roughly 30 minutes. Larger legs may vary slightly.
Place crab legs in the smoker with oak or another mild wood. Baste every 10 minutes with the butter mixture and turn the legs about halfway through (around 15–20 minutes). To check doneness, crack a leg open: the meat should come away from the shell easily and be hot throughout.
For a finishing touch, you can briefly sear or grill them on high for a minute or two per side after smoking to add a bit of char and color.
Serving
Serve smoked crab legs hot with the basting butter for dipping. A squeeze of lemon brightens the flavors. Classic sides include corn on the cob, roasted potatoes, coleslaw or a crisp salad. For a richer meal, serve alongside mac and cheese or steak for surf and turf.
Smoked crab legs pair exceptionally well with simple accompaniments that let the sweet, smoky crab shine.
How to open crab legs
Opening crab legs is easier than it looks. Break the leg away from the knuckle at the root, discard the small cartilage-heavy tip, and work on the middle section that holds most of the meat. Gently crack the shell along its length using a cracker or the back of a knife, then pry the shell apart and pull the meat out. A cocktail fork helps extract meat from the knuckle and joints.
If needed, use a crab cracker or kitchen shears to ease the process and preserve the meat.
Smoked King Crab Legs
Equipment
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Oak wood chips
Ingredients
- 5 lbs King crab legs
Basting butter
- 1 cup butter
- ¼ cup lemon juice
- 2 tbsp lemon pepper seasoning
- 2 tbsp garlic powder or minced garlic
Spice mix
- ¼ cup kosher salt
- ½ tbsp peppercorn
- 2 tsp smoked paprika
- 1 tsp red pepper flakes
Instructions
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Heat smoker to 225°F (107°C). Place oak or other mild wood chips in the smoker box or on the coals.
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Combine the basting butter ingredients in a bowl. Melt the butter if needed, either briefly in the microwave or on the stove until just melted.
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Stir the spice mix into the butter until well combined.
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Place crab legs in the smoker and cook for about 30 minutes, basting with the butter mixture every 10 minutes. Turn legs once about halfway through.
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Optional: finish on a hot grill or under high heat for 1–2 minutes per side to add char and color.
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Remove from smoker and serve immediately with extra melted basting butter and lemon wedges.