Few dishes deliver indulgence and elegance quite like Baked Crab Legs in Butter Sauce. The moment those crab legs hit the oven, the aroma of butter, garlic, and herbs begins to work its magic—filling your kitchen with an inviting scent that hints at something special. Golden, tender crab meat coated in a rich, garlicky butter sauce makes this dish unforgettable. The slight tang of lemon balances the richness, creating a symphony of flavors with each bite.

Perfect for celebratory dinners, date nights at home, or when you simply crave something luxurious without too much fuss. It’s surprisingly simple to prepare and doesn’t demand a long list of ingredients or hours in the kitchen. The result? A restaurant-worthy seafood experience in your own home.
Why You’ll Love This Baked Crab Legs in Butter Sauce Recipe
- Simple Yet Impressive: Looks gourmet, but it’s very easy to pull together.
- Flavor-Packed: The garlic butter sauce seeps into the crab meat for incredible depth.
- Perfect for Special Occasions: Ideal for holidays, anniversaries, or romantic dinners.
- Low Effort, High Reward: Just a few tools, minimal prep, and the oven does the rest.
- Versatile Pairings: Goes beautifully with sides from rice to roasted vegetables.
Preparation Phase & Tools to Use for Baked Crab Legs in Butter Sauce
Before diving into the buttery deliciousness, having your tools and prep game on point will make this dish seamless and stress-free. Here’s what you’ll need and why each tool matters:
Essential Tools and Equipment
- Baking Dish or Sheet Pan: A large enough pan is key to fitting your crab legs in a single layer so they cook evenly and the butter sauce coats every inch.
- Aluminum Foil (Optional): Helps lock in moisture during baking, preventing the crab meat from drying out.
- Kitchen Shears or Crab Cracker: Ideal for opening up tough crab shells cleanly, making it easier to enjoy every last bite.
- Small Saucepan: To melt and infuse the butter with garlic, lemon, and seasonings before pouring it over the crab.
- Basting Brush or Spoon: To spread that heavenly butter sauce generously over the crab legs before baking.
- Tongs: Handy for flipping or transferring crab legs without making a mess.
- Citrus Juicer (Optional): If you’re squeezing fresh lemon juice, this tool saves your hands and catches the seeds.
Having these tools at your fingertips ensures a smoother cooking flow and helps preserve the delicate texture of the crab meat.
Preparation Tips
- Thaw Thoroughly: If using frozen crab legs, thaw them completely in the refrigerator overnight or under cold running water. This helps them cook evenly and absorb more flavor.
- Crack the Shells Slightly: Use kitchen shears to gently cut the top of the shell before baking. This helps the butter seep in and makes it easier to eat later.
- Preheat the Oven: Don’t skip this step—preheating ensures a consistent baking temperature and speeds up cook time.
- Infuse the Butter Sauce: Give your butter a few extra minutes on low heat with garlic, paprika, and lemon juice—it builds deeper flavor.
- Use Fresh Garlic and Lemon: These ingredients are the flavor backbone of this dish. Fresh always outshines jarred or bottled versions.
Ingredients for This Baked Crab Legs in Butter Sauce
This recipe keeps things deliciously simple, relying on a handful of powerful ingredients to create that mouthwatering, buttery flavor. Each item plays an important role in enhancing the natural sweetness of the crab meat while creating a rich, luxurious sauce.
Main Ingredients:
- 2 lbs of snow crab legs (king crab legs can also be used)
Sweet, succulent, and the star of the show. - 1 stick (½ cup) of unsalted butter
The base of your sauce—rich, velvety, and indulgent. - 4 cloves of garlic, minced
Adds an aromatic punch that pairs perfectly with seafood. - 1 tablespoon fresh lemon juice
Brightens the dish and balances the richness of the butter. - 1 teaspoon Old Bay seasoning
Classic seafood seasoning that brings mild heat and bold flavor. - 1 teaspoon paprika
Adds color and a hint of smoky sweetness. - ½ teaspoon salt (or to taste)
Enhances overall flavor—adjust depending on your butter and crab. - ½ teaspoon black pepper
Adds a subtle bite to the buttery mix. - Chopped parsley (for garnish)
A fresh, vibrant finish that adds a pop of green. - Lemon wedges (for serving)
Extra zing for those who love citrus with seafood.
You can also customize this butter sauce by adding a pinch of cayenne for heat or a splash of white wine for depth.

Step-by-Step Instructions for Baked Crab Legs in Butter Sauce
Let’s get into the heart of the recipe—bringing those juicy crab legs to life with a golden garlic butter sauce. Follow these simple steps to turn your seafood night into something truly unforgettable.
Step 1: Preheat the Oven
Set your oven to 375°F (190°C). Preheating ensures the crab legs cook evenly and the butter melts into every crevice for maximum flavor.
Step 2: Prepare the Butter Sauce
In a small saucepan, melt the butter over medium-low heat. Once melted, add in the minced garlic, lemon juice, Old Bay seasoning, paprika, salt, and black pepper. Let it simmer gently for about 2–3 minutes, stirring occasionally until fragrant. Remove from heat.
Step 3: Arrange the Crab Legs
Place the thawed crab legs in a single layer on a baking dish or sheet pan. If needed, use kitchen shears to cut a slit along the top of each leg—this makes it easier for the butter to seep in and helps with serving later.
Step 4: Pour & Brush on the Butter Sauce
Spoon or brush the garlic butter sauce generously over the crab legs, making sure to get inside the shells. Reserve a bit of the sauce for serving at the table.
Step 5: Cover & Bake
Cover the baking dish loosely with aluminum foil to trap in steam and keep the meat juicy. Bake for 20–25 minutes, depending on the thickness of the crab legs.
Step 6: Uncover & Broil (Optional)
For a golden finish, uncover the crab legs and broil for 2–3 minutes on high. Keep a close eye—they brown quickly!
Step 7: Garnish & Serve
Sprinkle with chopped parsley and serve immediately with lemon wedges and extra garlic butter on the side for dipping.
Notes
- Crab Variety Options: This recipe works beautifully with both snow crab legs and king crab legs. Snow crab is sweeter and more delicate, while king crab offers larger, meatier pieces.
- Fresh vs Frozen: Fresh crab legs are amazing if you can get them, but frozen (and fully thawed) crab legs work perfectly too.
- Double the Butter Sauce: If you’re a fan of dipping, consider making a double batch of the butter sauce—you won’t regret it.
- Shell-Cracking Tip: Cut along the softer underside of the shell using kitchen shears instead of trying to crack it after baking. This makes eating a breeze.
- Want Extra Zing? Add a pinch of crushed red pepper flakes to the butter sauce if you enjoy a little heat.
- Enhance with Wine: For an elevated twist, deglaze the butter sauce with 2 tablespoons of dry white wine before pouring it over the crab legs.
Watch Out for These Mistakes While Cooking
- Skipping the Thawing Step: Baking frozen crab legs without thawing can result in uneven cooking and watery sauce.
- Using Salted Butter Without Adjusting Seasoning: If your butter is salted, reduce or skip the added salt to avoid over-salting the dish.
- Overcooking: Even though the crab legs are pre-cooked (if store-bought), overbaking can dry out the meat. Stick to the recommended time and check at the 20-minute mark.
- Not Cracking the Shells: Forgetting to slit or crack the shells prevents the butter sauce from fully soaking into the crab meat.
- Neglecting to Cover During Baking: Covering with foil is key to locking in moisture and steaming the crab gently.
- Crowding the Pan: Don’t stack the crab legs on top of each other. A single layer ensures even heat distribution and full flavor infusion.
- Rushing the Butter Sauce: Let the garlic simmer gently to release its full aroma. Rushing this step can lead to burnt garlic and a bitter flavor.
- Broiling Too Long: If using the broiler for a golden finish, don’t walk away. It can go from perfect to scorched in seconds.
What to Serve With Baked Crab Legs in Butter Sauce?
This dish is rich, buttery, and savory—which means the perfect side dishes will balance and complement it with freshness, crunch, or subtle flavor contrasts. Whether you’re planning a fancy seafood dinner or a cozy meal at home, these sides elevate the experience.
8 Perfect Pairings for Crab Night:
- Garlic Mashed Potatoes
Creamy and comforting, they soak up the extra butter sauce beautifully. - Steamed Asparagus with Lemon Zest
Light and citrusy—just enough crunch and acidity to balance the richness. - Crusty French Bread or Garlic Bread
Ideal for dipping into the buttery sauce so not a drop goes to waste. - Buttered Corn on the Cob
Classic, sweet, and juicy—pairs naturally with seafood dishes. - Simple Green Salad with Vinaigrette
A refreshing way to add greens without overwhelming the main attraction. - Wild Rice Pilaf or Herbed Couscous
Mild grains that carry flavor well and give the meal more substance. - Roasted Brussels Sprouts or Broccolini
Their slightly bitter edge cuts through the richness of the butter. - Chilled White Wine or Sparkling Lemonade
Beverage pairing matters too—these cleanse your palate and highlight the seafood flavors.
Storage Instructions
Properly storing your Baked Crab Legs in Butter Sauce ensures that the flavor and texture remain satisfying, even the next day. Here’s how to do it right:
- Refrigeration:
Transfer any leftover crab legs and sauce into an airtight container. Store in the fridge for up to 2 days. It’s best to separate the crab from the butter sauce if you plan to reheat gently and preserve flavor. - Reheating Tips:
- Oven Method: Place crab legs in a baking dish, cover with foil, and reheat at 350°F (175°C) for about 10–12 minutes. Add a splash of water or leftover butter sauce to prevent dryness.
- Stovetop Steaming: Add a bit of water to a pot with a steamer basket. Steam over low heat for 5–7 minutes to retain moisture.
- Microwave (not ideal but possible): Wrap the crab legs in damp paper towels and microwave in short bursts (1-minute intervals), checking frequently.
- Freezing:
It’s not recommended to freeze cooked crab legs again after baking—they can lose flavor and texture. If you must, wrap tightly in foil and freeze for up to 1 month, though freshness may suffer.
Estimated Nutrition
Please note, these values are approximate and may vary depending on the size of the crab legs and specific ingredients used:
- Serving Size: 1 crab cluster (based on 4 servings total)
- Calories: ~390 kcal
- Protein: 25g
- Fat: 28g
- Saturated Fat: 16g
- Carbohydrates: 2g
- Sugars: 0g
- Fiber: 0g
- Cholesterol: 120mg
- Sodium: 900mg (can vary with salted butter or seasoning choices)
This dish is rich in protein and healthy fats, with minimal carbs, making it suitable for low-carb or keto-friendly diets when paired with the right sides.
Frequently Asked Questions
1. Can I use frozen crab legs directly without thawing?
Not recommended. For best flavor and texture, thaw crab legs completely before baking. This ensures even cooking and allows the butter sauce to seep in properly.
2. What type of crab works best—snow or king?
Both are delicious, but king crab legs are larger and meatier, while snow crab legs are sweeter and more delicate. Choose based on your budget and texture preference.
3. Can I make the butter sauce in advance?
Absolutely. You can prepare the butter sauce a day ahead and store it in the fridge. Gently reheat it before pouring over the crab legs.
4. Is it okay to use salted butter instead of unsalted?
Yes, but reduce or omit any additional salt in the recipe to prevent it from becoming overly salty.
5. How do I know when the crab legs are fully heated?
Pre-cooked crab legs will be opaque and hot to the touch. If broiling, they may develop light browning or crisp edges—an indication they’re ready.
6. What’s the best way to crack the shells?
Use kitchen shears to snip along the shell’s softer side before or after baking. It’s cleaner and avoids shell shards.
7. Can I use imitation crab meat instead?
Not for this recipe. Imitation crab doesn’t hold up to baking and lacks the rich, natural flavor needed for this dish.
8. Is this dish keto or low-carb friendly?
Yes! It’s very low in carbs, especially when served with keto-approved sides like roasted veggies or cauliflower mash.
Conclusion
Baked Crab Legs in Butter Sauce is one of those recipes that proves simplicity can still be spectacular. With just a few fresh ingredients and a little oven time, you’ll unlock buttery, garlicky seafood heaven that tastes like a special occasion every time. Whether you’re treating yourself or impressing guests, this recipe hits all the right notes: rich, savory, comforting, and effortlessly elegant.
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Baked Crab Legs in Butter Sauce
- Total Time: 35 minutes
- Yield: 4 servings
Description
Get ready to indulge in a seafood dish that feels like a five-star experience—without leaving your kitchen. These Baked Crab Legs in Butter Sauce are bathed in a rich blend of garlic, butter, lemon, and herbs, then baked until the flavors soak into every bite of sweet, tender crab meat. This easy dinner idea is perfect for holidays, date nights, or any time you crave something luxurious with minimal effort. With irresistible flavor and a short prep time, this is one of those food ideas you’ll keep coming back to for quick dinners or elegant appetizers. It’s a healthy snack in disguise—loaded with protein and totally satisfying.
Ingredients
- 2 lbs snow crab legs (or king crab)
- 1 stick (1/2 cup) unsalted butter
- 4 cloves garlic, minced
- 1 tbsp fresh lemon juice
- 1 tsp Old Bay seasoning
- 1 tsp paprika
- 1/2 tsp salt (adjust if using salted butter)
- 1/2 tsp black pepper
- Chopped parsley, for garnish
- Lemon wedges, for serving
Instructions
- Preheat oven to 375°F (190°C).
- In a small saucepan, melt butter over medium-low heat. Add garlic, lemon juice, Old Bay seasoning, paprika, salt, and pepper. Simmer 2–3 minutes and remove from heat.
- Arrange thawed crab legs in a single layer on a baking dish. Use kitchen shears to cut slits along the shells.
- Pour or brush the butter sauce generously over the crab legs, reserving a bit for serving.
- Cover the dish with foil and bake for 20–25 minutes.
- Optional: Broil uncovered for 2–3 minutes for a golden finish.
- Garnish with parsley and serve with lemon wedges and extra butter sauce.
Notes
- Prep Time: 10 minutes
- Cook Time: 25 minutes