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Baked Crab Legs in Butter Sauce

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Baked Crab Legs in Butter Sauce turn an elegant seafood dinner into something wonderfully simple and approachable. Sweet, succulent crab legs bake gently in a rich garlic-herb butter sauce, emerging hot, glossy, and infused with flavor. The butter pools at the bottom of the dish, ready for dipping, while the crab stays tender and juicy without the mess of boiling pots or steamer baskets.

This Baked Crab Legs in Butter Sauce recipe is perfect when you want restaurant-quality results with almost no effort. Everything goes into one baking dish, the oven does the work, and dinner is ready in under 20 minutes. It feels indulgent enough for holidays and date nights, yet easy enough for those evenings when you want something special without the stress.

If you love seafood that tastes luxurious but cooks fast, this recipe belongs in your regular rotation.

I first made this dish on a night when I wanted a celebratory dinner at home without spending hours in the kitchen. Crab legs were in the freezer, butter was on hand, and the idea of baking everything together felt too easy not to try. When I pulled the dish from the oven, the aroma alone felt like a reward. The crab was perfectly heated, the butter sauce was silky and flavorful, and the entire meal came together with almost no cleanup. Since then, this method has become my favorite way to enjoy crab legs at home.

Tender crab legs baked in a rich garlic butter sauce for an easy, elegant seafood dinner.
Course: Main Dish
Cuisine: American
Calories: 420

Ingredients
  

  • 2 lb frozen crab legs
  • 0.5 cup unsalted butter
  • 3 cloves garlic, minced
  • 1 tbsp lemon juice
  • 1 tsp fresh parsley, chopped

Equipment

  • Baking dish
  • Foil
  • small saucepan

Method
 

  1. Preheat oven to 375°F and place crab legs in a baking dish.
  2. Melt butter and stir in garlic, lemon juice, and parsley.
  3. Pour butter sauce evenly over crab legs.
  4. Cover dish tightly with foil and bake 15–20 minutes until heated through.
  5. Remove foil carefully and serve hot with extra butter sauce.

Nutrition

Calories: 420kcalCarbohydrates: 2gProtein: 36gFat: 30gSaturated Fat: 18gPolyunsaturated Fat: 1gMonounsaturated Fat: 8gCholesterol: 190mgSodium: 780mgPotassium: 420mgVitamin A: 20IUVitamin C: 8mgCalcium: 10mgIron: 15mg

Notes

Bake covered to keep crab legs moist and juicy.

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Why Baked Crab Legs in Butter Sauce Work So Well

Gentle Heat for Perfect Texture

Baked Crab Legs in Butter Sauce shine because the oven provides gentle, even heat. Crab legs are usually pre-cooked before freezing, so the goal is simply to warm them through without drying them out.

Baking them covered in butter sauce creates a moist environment that keeps the meat tender and juicy. Instead of leaching flavor into boiling water, the crab absorbs the buttery, garlicky goodness as it heats.

Big Flavor with Minimal Ingredients

This recipe relies on just a few ingredients, but each one matters. Butter adds richness, garlic brings depth, lemon brightens everything, and herbs provide freshness.

Because crab has such a naturally sweet flavor, it does not need heavy seasoning. Keeping the ingredient list short allows the seafood to shine.


Ingredients That Make It Special

Choosing the Right Crab Legs

Snow crab or king crab legs both work beautifully for this recipe. Frozen crab legs are ideal because they are widely available and already cooked.

There is no need to thaw them first. Baking from frozen keeps prep quick and prevents the crab from becoming waterlogged.

The Butter Sauce

The butter sauce is the heart of this dish. Melted butter mixed with garlic, lemon juice, and herbs creates a silky sauce that coats the crab legs as they bake.

A pinch of salt enhances the natural sweetness of the crab, while lemon keeps the sauce from feeling heavy.


How to Make Baked Crab Legs in Butter Sauce

Preparing the Baking Dish

Start by preheating the oven and choosing a baking dish large enough to hold the crab legs in a single layer or slightly overlapping. This ensures even heating.

Arrange the crab legs in the dish, bending them gently if needed to fit.

Mixing and Adding the Butter Sauce

Melt the butter and stir in minced garlic, lemon juice, and herbs. Pour the sauce evenly over the crab legs, making sure some of it drips down into the dish.

Cover the dish tightly with foil. This step traps steam and keeps the crab legs moist while they heat.

Baking to Perfection

Bake until the crab legs are heated through and steaming hot. Because they are already cooked, this usually takes about 15 to 20 minutes.

Remove the foil carefully, as hot steam will escape. Spoon some of the butter sauce over the crab legs just before serving for extra shine and flavor.


Serving Ideas and Pairings

How to Serve Crab Legs

Serve Baked Crab Legs in Butter Sauce straight from the baking dish while they are still hot. Provide small bowls for extra butter sauce and plenty of napkins.

Kitchen shears or crab crackers make the meal easier and more enjoyable.

What to Serve Alongside

This dish pairs well with simple sides that do not compete with the crab. Steamed vegetables, roasted potatoes, or crusty bread are all excellent choices.

A light salad with a citrus vinaigrette also works nicely, balancing the richness of the butter sauce.


Make-Ahead and Storage Tips

Planning Ahead

You can prepare the butter sauce a day in advance and store it in the refrigerator. When ready to cook, simply melt it again and pour it over the crab legs.

This makes the recipe even faster when entertaining.

Storing Leftovers

Leftover crab legs can be stored in an airtight container in the refrigerator for up to two days. Reheat gently in the oven, covered, to avoid drying out the meat.

Because crab is delicate, avoid reheating in the microwave if possible.


Frequently Asked Questions

Do I need to thaw frozen crab legs first?
No. They can go straight from freezer to oven.

Can I add seasoning blends?
Yes, but keep it light so the crab flavor stays front and center.

Is this recipe spicy?
No, but you can add red pepper flakes if you like heat.

Can I use olive oil instead of butter?
Butter is recommended for flavor, but olive oil can work in a pinch.

How do I know the crab is hot enough?
The shells should be hot to the touch and the meat steaming.


Conclusion

Baked Crab Legs in Butter Sauce prove that a seafood feast does not have to be complicated. With one dish, a handful of ingredients, and less than 20 minutes, you can create a meal that feels indulgent, comforting, and special. Tender crab, rich butter sauce, and minimal cleanup make this recipe a true winner for both busy nights and special occasions.

Once you try this method, Baked Crab Legs in Butter Sauce will quickly become your go-to way to enjoy crab at home.

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