Seafood

Serving

Seafood Quick & easy

Garlic Butter Baked Crab Legs

Name: Garlic Butter Baked Crab Legs
Total time: 25 min
Yield: 4 servings
Cuisine: Seafood
Ingredients: 3 lb snow crab legs, split; 1/2 cup unsalted butter; 4 cloves garlic, minced; 1 tbsp lemon juice, plus lemon wedges for serving; 1 tsp Old Bay seasoning; 2 tbsp chopped fresh parsley

Snow crab legs warmed in the oven and served with a rich, garlicky melted butter dip for a special-occasion feast.

25 minutes

Serves 4

Dinner

11 min prep

19 min cook

Contains common allergens

Dairy Seafood Shellfish

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Good to know

Ready in under 30 minutes

Matched from this dish's own ingredients and timing. Browse more: 30-minute meals

Instructions

6 steps

1
Preheat oven to 375°F.
2
Arrange crab legs on a large baking sheet and cover loosely with foil.
3
Bake 15 minutes until heated through.
4
Meanwhile, melt butter in a small saucepan over medium-low heat and cook garlic until fragrant, about 1 minute.
5
Stir in lemon juice and Old Bay seasoning.
6
Arrange warmed crab legs on a platter, garnish with parsley, and serve with garlic butter and lemon wedges for dipping.

Garlic Butter Baked Crab Legs — plated and served — Serving moment. How Garlic Butter Baked Crab Legs looks plated and ready to eat — a representative photo, not a step in the recipe.

Listahan Family Score™

63/100

Works for many families

Allergen-friendly 70

Kid-friendly 55

Weeknight-easy 86

Budget-friendly 50

Great leftovers 50

Pantry-friendly 47

Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.

Nutrition

per serving

540

Calories

65 g

Protein

2 g

Carbs

28 g

Fat

Estimated per serving. Actual values depend on the brands and portions you use.

Listahan cooking guide

Chef notes & practical guide

Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.

Cultural context

Crab legs are typically sold already cooked and frozen, so this dish is less about cooking the crab and more about reheating it gently and giving it a proper dipping sauce — a special-occasion staple at seafood boils and holiday tables across coastal North America.

Listahan note

This version reheats the legs covered in foil to keep them moist, then builds a garlic butter separately so the sauce stays fresh and glossy rather than baked dry alongside the crab.

Technique cues

Cover the crab legs loosely with foil while reheating; uncovered legs dry out quickly since they are already fully cooked.
Warm the butter over low heat rather than high — high heat browns the garlic and turns the sauce bitter.
Use kitchen shears to pre-split any legs that were not already cracked, which makes serving and eating far less messy.

Kitchen flow

Parallel prep: Start the crab legs in the oven first, since they take longer than the two-minute garlic butter.
Make-ahead: The garlic butter can be made ahead and gently rewarmed just before serving.
Leftover move: Pick the meat from leftover legs and use it in a quick crab roll or pasta the next day.
Cleanup rhythm: Serve crab legs directly on a lined platter to keep the cleanup to a single tray and a small saucepan.

Ingredient brief

Role, handling, and swap guidance for each key ingredient.

Snow crab legs

Main protein

Purpose: Already cooked and frozen, they only need gentle reheating, making this one of the easiest special-occasion seafood dishes to pull off.

Handling: Thaw in the refrigerator overnight if frozen, or reheat directly from frozen with a few extra minutes in the oven.

Adaptation: King crab legs work the same way for an even richer, more indulgent version.

Unsalted butter

Sauce base

Purpose: Melted slowly, it becomes the rich dipping sauce that crab legs are built around.

Handling: Melt over low heat so it stays glossy rather than separating.

Adaptation: Clarified butter or ghee gives a slightly nuttier, more stable sauce.

Garlic

Aromatic

Purpose: Infuses the butter with flavor without overpowering the delicate sweetness of the crab.

Handling: Mince finely and cook just until fragrant, about a minute.

Adaptation: A small pinch of garlic powder can substitute in a pinch, though fresh is noticeably better.

Old Bay seasoning and lemon juice

Seasoning and acid

Purpose: They round out the butter with the classic Atlantic seafood spice blend and a bright citrus lift.

Handling: Stir in at the end so the seasoning does not scorch in the hot butter.

Adaptation: A squeeze of lime and a pinch of paprika and celery salt approximate the flavor.

Technique notes

Do not boil the crab legs to reheat them — the meat can waterlog and dilute in flavor; oven reheating keeps it firmer and sweeter.
Split the shells partway with kitchen shears before serving so guests are not fighting the shell at the table.
Serve the butter warm, not hot, so it does not scald anyone dipping straight from the pan.

Ingredient swaps

Shellfish-free direction: This dish is entirely built around crab and cannot be adapted for a shellfish allergy; there is no safe substitution here.
Dairy-free direction: Use olive oil with minced garlic in place of butter for a dairy-free dipping sauce.
Spicier direction: Add a pinch of cayenne or a dash of hot sauce to the garlic butter for a Cajun-leaning version.

Serve alongside

Corn on the cob
Garlic bread
Simple green salad
Chilled Chardonnay
Sparkling water with lemon
Light lager

Serving suggestions only — check pairings for your household's allergens.

Storage & reheating

Refrigerate leftover crab legs in a sealed container for up to 2 days.
Reheat covered in a 300 F oven for about 10 minutes to warm through gently without drying them out.
Freezing already-cooked crab legs a second time is not recommended for texture and food-safety reasons.

Equipment

Large rimmed baking sheet
Foil
Small saucepan for the butter
Kitchen shears

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