Cajun Seafood Boil with Garlic Butter Sauce

This Cajun Seafood Boil with Garlic Butter Sauce is the ultimate feast for seafood lovers! Brimming with juicy shrimp, snow crab, smoky andouille sausage, corn, potatoes, and even hard-boiled eggs, it’s all simmered in a flavor-packed broth then drenched in a spicy, buttery garlic sauce. Perfect for summer gatherings, cookouts, or special occasions, this dish is messy, fun, and downright irresistible.

Full Recipe: 

Ingredients

For the Cajun Seafood Boil:

  • 3 quarts water

  • 1 (12 oz) can of beer (optional)

  • 3 tablespoons Creole Cajun seasoning

  • 1 tablespoon Old Bay seasoning

  • Hot sauce, to taste

  • 1 medium yellow onion, sliced

  • 1 large lemon, cut into wedges (plus more for serving)

  • 12 oz andouille sausage, sliced

  • 1 lb baby potatoes (red or gold)

  • 1 lb pre-cooked snow crab leg clusters

  • 1 – 1½ lbs jumbo shrimp, deveined (shell-on or peeled)

  • 4–6 mini ears of sweet corn

  • 4–6 hard-boiled eggs (optional)

For the Garlic Butter Sauce:

  • 1 cup (2 sticks) unsalted butter

  • 10 garlic cloves, finely minced

  • 2 tablespoons lemon juice

  • 1 tablespoon Old Bay seasoning

  • 1 tablespoon chopped fresh parsley

  • 1 teaspoon Creole Cajun seasoning

  • 1 teaspoon smoked paprika

  • Hot sauce, to taste

Directions

  1. Prepare the boil: In a large stockpot, combine water and beer (if using). Bring to a boil, then add Cajun seasoning, Old Bay, hot sauce, onion, and lemon. Boil for 15 minutes.

  2. Add sausage and potatoes: Stir in andouille and baby potatoes. Boil for 15–20 minutes until potatoes are fork-tender.

  3. Add seafood and corn: Add snow crab, shrimp, and corn. Boil for 5–7 minutes until shrimp is pink and cooked.

  4. Make the garlic butter sauce: In a saucepan, melt butter over medium heat. Add garlic, lemon juice, Old Bay, parsley, Cajun seasoning, smoked paprika, and hot sauce. Simmer for 5–7 minutes.

  5. Assemble and serve: Use a strainer to remove seafood boil contents and place on a lined baking sheet. Optionally include hard-boiled eggs. Pour the garlic butter sauce over the top and toss to coat. Serve immediately with lemon wedges.

Nutrients

Serving Size: 1 of 6 servings (estimated)

  • Calories: ~520 kcal

  • Protein: ~35g

  • Carbohydrates: ~24g

  • Fat: ~32g

  • Saturated Fat: ~14g

  • Cholesterol: ~250mg

  • Fiber: ~3g

  • Sugar: ~3g

  • Sodium: ~850mg

  • Vitamin C: High

  • Calcium: High (from crab and shrimp)

A Rich Tradition Rooted in Flavor and Community

Seafood boils are a staple in Gulf Coast cuisine, particularly in Louisiana, where Creole and Cajun culinary traditions meld. What makes a Cajun boil distinct is its bold seasoning—layers of spicy, smoky, and herbal flavors that infuse every bite. These boils are meant to feed a crowd, served on newspaper-lined tables or in giant pans, inviting everyone to dig in and enjoy together. The addition of garlic butter sauce takes the traditional recipe to another level of richness, bringing a glossy, indulgent finish that enhances every component.

A Perfectly Balanced Mix of Proteins and Sides

What makes this dish especially exciting is the diversity on the plate—or more accurately, on the tray or table. Juicy jumbo shrimp bring a succulent bite that holds up well to the spicy butter sauce, while snow crab legs offer tender, flaky meat that’s fun to crack into. Andouille sausage adds a smoky, savory flavor that plays well against the sweetness of the corn and the heartiness of baby potatoes. Hard-boiled eggs, though optional, are a beloved addition in many Southern seafood boils, absorbing the flavor of the broth and sauce like a sponge and offering a creamy, satisfying contrast.

The Garlic Butter Sauce That Takes It Over the Top

What truly sets this seafood boil apart is the luscious garlic butter sauce that gets poured over the finished dish. Made with a generous amount of minced garlic, fresh lemon juice, melted butter, and a mix of Cajun and Old Bay seasonings, this sauce is bold, buttery, and just spicy enough to make your lips tingle. Smoked paprika adds depth and color, while chopped parsley gives a hint of freshness. It’s not just a garnish—it’s a full-flavored finish that ties the entire boil together. Every bite, whether it’s shrimp, corn, or even potato, is better with that garlicky richness coating it.

The Secret Is in the Simmering Broth

Before the seafood and veggies get their buttery finish, they simmer in a well-seasoned broth that’s packed with aromatics. Cajun and Old Bay seasoning provide the backbone, while onion, lemon wedges, and hot sauce add dimension and zing. The optional addition of beer enhances the broth with a malty note that complements the seafood beautifully. As each layer—sausage, potatoes, corn, and finally the seafood—goes into the pot, it soaks up the flavors, becoming infused with that unmistakable Southern character.

Customizable for Every Taste and Occasion

One of the best things about a Cajun seafood boil is how adaptable it is. You can scale it up or down based on your crowd, and swap in different proteins depending on what’s available. Lobster tails, crawfish, mussels, or clams can all be used to expand the variety. Prefer a milder version? Tone down the Cajun seasoning and hot sauce. Want more heat? Add extra cayenne or crushed red pepper flakes. This dish is also very allergy-friendly when made without gluten or dairy substitutes—just use a dairy-free butter alternative if needed, and it remains a celebration for everyone at the table.

Fun, Casual, and Great for Gatherings

This dish is meant to be enjoyed in a casual, communal setting where napkins are plentiful and etiquette takes a backseat to flavor. Serve it outdoors in the summer with cold drinks, classic sides like cornbread or coleslaw, and maybe even a bucket of lemon wedges for added zest. There’s something inherently festive about dumping a tray of colorful seafood and vegetables onto a shared table. It encourages interaction, laughter, and eating with your hands—exactly how it should be.

Meal Prep and Serving Tips for Success

To make hosting easier, you can prep several elements ahead of time. Boil the potatoes and eggs in advance, or even prepare the garlic butter sauce the day before and gently reheat it when it’s time to serve. Just before your guests arrive, simmer everything together so the seafood is hot and fresh. Strain the mixture and pour it onto a large baking sheet or serving tray, then drizzle generously with garlic butter sauce. Don’t forget the fresh parsley and extra lemon wedges for a final pop of brightness.

Nutritional Benefits in a Flavorful Package

Despite its decadent feel, this seafood boil offers plenty of nutritional value. Shrimp and crab are high in protein, low in fat, and packed with essential minerals like zinc and selenium. Potatoes provide complex carbohydrates and fiber, while corn adds natural sweetness and vitamins like B6 and folate. Garlic and lemon juice not only bring flavor but also support immune health. Even the butter sauce, while rich, is packed with garlic’s heart-healthy compounds and can be enjoyed in moderation as part of a balanced meal.

Perfect Pairings and Beverage Ideas

A seafood boil this bold deserves drink pairings that can hold their own. Crisp lagers, citrusy IPAs, or even a cold light beer are classic companions. For wine lovers, opt for a zippy white like Sauvignon Blanc or a lightly chilled rosé to cut through the richness of the garlic butter. If you’re going the non-alcoholic route, a pitcher of lemon iced tea or cucumber-infused water adds a refreshing touch that balances the heat and saltiness of the dish. Add crusty bread or garlic toast on the side to mop up any extra sauce, and you’ll be glad you did.

Conclusion

Cajun Seafood Boil with Garlic Butter Sauce is more than a meal—it’s a celebration of bold flavors, fresh ingredients, and shared experience. With its juicy shrimp, tender crab, hearty sausage, and colorful vegetables all tossed in a buttery, garlicky bath of spice and citrus, this dish is a feast for the senses and a showstopper for any occasion. Whether you’re bringing loved ones together on a warm summer night or just treating yourself to a comforting Southern-style dinner, this seafood boil delivers satisfaction and joy in every bite. It’s messy, indulgent, and unforgettable—the kind of dish you’ll crave long after the last shell is gone.

Leave a Comment