Garlic Butter Blue Crab Recipe (Cajun Style)
If you are looking for the absolute showstopper of seafood dining, nothing beats a platter of fresh Blue Crabs coated in a rich, glossy garlic butter sauce! Known for their naturally sweet, tender meat, blue crabs are a prized delicacy around the world. Whether you are hosting a weekend seafood feast or craving a restaurant-style seafood boil at home, this Cajun-inspired garlic butter blue crab recipe is guaranteed to impress.
The key to cooking perfect blue crabs lies in gentle boiling with traditional spices, followed by tossing them in a warm, fragrant sauce infused with garlic, paprika, and fresh lemon. With Seafood Xpress, you can get wild-caught blue crabs delivered chilled and fresh straight to your UK doorstep!

⏱️ Prep Time: 15 mins | 🍳 Cook Time: 20 mins | 🍽️ Servings: 2–4 | 📊 Difficulty: Easy
🛒 Ingredients
For the Crabs & Boil:
1 kg Fresh Blue Crabs from Seafood Xpress (cleaned)
3 tbsp Old Bay Seasoning (or Cajun seasoning)
1 Lemon (halved)
4 cloves Garlic (smashed)
2 tbsp Sea Salt
For the Garlic Butter Sauce:
150g Unsalted Butter
6 cloves Garlic (minced)
1 tbsp Old Bay Seasoning
1 tsp Smoked Paprika
1/2 tsp Red Pepper Flakes (optional for heat)
2 tbsp Fresh Parsley (finely chopped)
Juice of 1/2 Lemon
🍳 Step-by-Step Instructions
Boil the Water: Fill a large pot with water (enough to cover the crabs). Add Old Bay seasoning, smashed garlic cloves, sea salt, and squeezed lemon halves. Bring to a rolling boil over high heat.
Cook the Blue Crabs: Carefully add the fresh blue crabs into the boiling spiced water. Cover with a lid and boil for 12–15 minutes until the shells turn a bright orange-red color. Drain and set aside.
Make the Garlic Butter Sauce: In a large skillet or pan, melt the butter over medium heat. Add the minced garlic and sauté for 1–2 minutes until fragrant (be careful not to burn it).
Add Seasonings: Stir in the Old Bay seasoning, smoked paprika, red pepper flakes, and lemon juice. Let the sauce simmer gently for 2 minutes.
Combine & Serve: Add the cooked blue crabs directly into the skillet with the garlic butter sauce. Toss gently for 2–3 minutes so the savory butter coats every crack and claw. Garnish with chopped parsley and serve immediately with fresh lemon wedges!
🥗 Serving Suggestion
Serve your garlic butter blue crabs hot on a large platter alongside boiled corn on the cob, baby potatoes, or warm crusty bread to soak up every last drop of the garlic butter sauce!
🌊 Ready to Host Your Own Seafood Boil?
Get wild-caught, fresh Blue Crabs delivered straight to your UK doorstep in chilled, insulated packaging.




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