Creating a Cajun Seafood Boil with Garlic Butter Sauce is easy if you follow these simple steps:

1. Prepare the Ingredients: Rinse and prepare all seafood and vegetables. Cut the potatoes and corn.
2. Boil Water: Fill a large pot with water and bring to a boil. Add salt to the water to flavor the seafood.
3. Cook the Potatoes: Once boiling, add the quartered potatoes to the pot. Cook for about 10-12 minutes or until slightly tender.
4. Add Corn: Add the corn pieces to the pot, cooking for an additional 5 minutes.
5. Incorporate Seafood: Add the shrimp, crab legs, and mussels/clams. Cook for another 5-7 minutes or until the seafood is cooked and shells are opened.
6. Melt the Garlic Butter: In a separate pan, melt the unsalted butter over medium heat. Add minced garlic and sauté until fragrant (about 1-2 minutes).
7. Mix in Spices: Stir in Cajun seasoning, Old Bay seasoning, smoked paprika, and red pepper flakes (if using) into the garlic butter. Mix thoroughly.
8. Combine: Pour the garlic butter mixture over the cooked seafood and vegetables, tossing to coat everything evenly.
9. Add Lemon: Squeeze fresh lemon juice over the dish and toss to enhance flavor.
10. Serve Hot: Transfer the seafood boil to a large serving platter, garnishing with fresh chopped parsley and lemon slices.

With these simple instructions, you’ll create a delightful Cajun Seafood Boil that everyone will love!