Seafood Boil with Snow Crab Legs Shrimp and Garlic Butter Sauce Recipe

Best Southern Seafood Boil Recipe with Garlic Butter Sauce

June 12, 2026

Southern Seafood Boil Recipe (Easy Cajun Seafood Boil with Garlic Butter Sauce)

This Southern Seafood Boil is loaded with juicy shrimp, tender snow crab legs, smoky sausage, sweet corn, and buttery potatoes tossed in a rich Cajun garlic butter sauce. Perfect for summer cookouts, family gatherings, holidays, and backyard parties, this easy seafood boil recipe brings restaurant-quality flavor right to your kitchen.

Whether you're hosting a seafood feast or simply craving a comforting Southern meal, this Cajun seafood boil is guaranteed to impress.

Why You'll Love This Seafood Boil Recipe

Loaded with shrimp, crab legs, sausage, corn, and potatoes

Rich garlic butter sauce packed with flavor

Easy one-pot meal

Perfect for feeding a crowd

Better than restaurant seafood boils

Great for holidays, cookouts, and family dinners

Easily customizable with your favorite seafood

The History of the Southern Seafood Boil

Seafood boils have been a staple of Southern coastal communities for generations, especially throughout Louisiana, the Carolinas, Georgia, and the Gulf Coast.

Long before seafood boils became social media sensations, fishermen and families gathered around large outdoor pots filled with fresh local seafood, corn, potatoes, onions, and spices. Cajun settlers in Louisiana helped popularize communal seafood feasts, particularly crawfish boils, where entire neighborhoods would gather to share a meal.

Traditional boils focused heavily on seasoned cooking liquid, but modern seafood boils evolved with the addition of rich garlic butter sauces inspired by Asian-American seafood restaurants across California and Texas. Today’s seafood boils combine the best of both traditions: bold Cajun seasoning and indulgent garlic butter.

More than just a meal, a seafood boil represents family, community, celebration, and Southern hospitality.

Ingredients

For the Seafood Boil

2 pounds large shrimp, peeled and deveined

2 pounds snow crab legs

1 pound smoked sausage, sliced

1 pound baby potatoes

4 ears corn, cut into thirds

1 lemon, sliced

1 medium onion, quartered

6 cloves garlic, smashed

Seafood Boil Seasoning

¼ cup Old Bay seasoning

2 tablespoons Cajun seasoning

1 tablespoon paprika

1 teaspoon black pepper

1 teaspoon garlic powder

1 teaspoon onion powder

1 teaspoon red pepper flakes

Garlic Butter Sauce

1 cup unsalted butter

8 cloves garlic, minced

1 tablespoon Cajun seasoning

1 tablespoon Old Bay seasoning

1 teaspoon paprika

1 tablespoon lemon juice

2 tablespoons fresh parsley, chopped

Recipe Information

Prep Time: 20 minutes

Cook Time: 30 minutes

Total Time: 50 minutes

Servings: 6–8

How to Make Southern Seafood Boil

Step 1: Boil the Potatoes

Fill a large stockpot with water.

Add the onion, garlic, lemon slices, Old Bay seasoning, Cajun seasoning, paprika, black pepper, garlic powder, onion powder, and red pepper flakes.

Bring to a boil.

Add the potatoes and cook for 12 to 15 minutes until fork tender.

Step 2: Add the Corn and Sausage

Add the corn and smoked sausage.

Cook for another 5 to 7 minutes.

Step 3: Add the Crab Legs

Add the snow crab legs and cook for 5 minutes.

Step 4: Add the Shrimp

Add the shrimp last and cook for 2 to 3 minutes until pink and opaque.

Drain the seafood boil and transfer everything to a large serving tray.

Make the Garlic Butter Sauce

While the seafood cooks, melt the butter in a saucepan over medium heat.

Add the garlic and cook for about 1 minute until fragrant.

Stir in:

Cajun seasoning

Old Bay seasoning

Paprika

Lemon juice

Parsley

Simmer for 2 minutes.

Assemble the Seafood Boil

Pour the garlic butter sauce over the seafood.

Toss gently until everything is evenly coated.

Serve immediately with extra lemon wedges.

Tips for the Best Seafood Boil

Do not overcook the shrimp.

Use fresh garlic for the richest flavor.

Add lobster tails for an extra luxurious seafood boil.

Let the seafood sit in the seasoned water for a few minutes before draining for even more flavor.

Adjust the Cajun seasoning to your preferred spice level.

Serve with plenty of napkins and extra butter sauce.

Seafood Boil Variations

Cajun Crawfish Boil

Replace the crab legs with crawfish for a Louisiana-style seafood boil.

Lobster Seafood Boil

Add lobster tails for an elevated seafood feast.

Low Country Boil

Use shrimp, sausage, corn, and potatoes for a classic Carolina-style boil.

Mixed Seafood Boil

Add mussels, clams, lobster tails, and crab legs for the ultimate seafood platter.

What to Serve with Seafood Boil

This seafood boil pairs perfectly with:

Southern Baked Mac and Cheese

Garlic Bread

Hush Puppies

Coleslaw

Cajun Rice

Southern Potato Salad

Fried Cornbread

Dense Bean Salad

For drinks, serve with:

Strawberry Sweet Tea

Pineapple Lemonade

Tropical Fruit Punch

Fermented Lemonade

For dessert, try:

Strawberry Tres Leches Cake

Strawberry Crunch Cheesecake

Peach Cobbler Pound Cake

Matilda's Chocolate Cake

Storage Instructions

Store leftovers in an airtight container in the refrigerator for up to 2 days.

Reheat gently with additional butter to help maintain moisture.

Seafood boils are best enjoyed fresh.

Frequently Asked Questions

Can I make seafood boil ahead of time?

Seafood boils are best served immediately after cooking, but leftovers can be refrigerated for up to 2 days.

Can I use frozen seafood?

Yes. Just thaw completely before cooking for the best texture.

What seafood is best for a seafood boil?

Shrimp, crab legs, lobster tails, crawfish, clams, mussels, and scallops are all excellent choices.

How spicy is a seafood boil?

The spice level can be adjusted by increasing or reducing the Cajun seasoning and red pepper flakes.

What makes seafood boil sauce so good?

The combination of butter, garlic, Cajun seasoning, Old Bay, and lemon juice creates a rich, savory sauce that coats every bite.

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