If you love a big, buttery seafood dinner packed with bold flavor, this Garlic Butter Seafood Boil is exactly the kind of meal to make. Tender crab legs, juicy shrimp, smoky sausage, sweet corn, broccoli, and boiled eggs are tossed in a rich garlic butter sauce that’s loaded with herbs and spices.
Everything comes together in one generous platter, making this recipe perfect for a weekend dinner, family gathering, or fun seafood feast. The sauce is the real star here—savory, buttery, garlicky, and just spicy enough to coat every piece of seafood and vegetable.
Why You’ll Love This Seafood Boil
- Loaded with variety: Crab, shrimp, sausage, corn, broccoli, and eggs make every bite different.
- Rich garlic butter sauce: Buttery, garlicky, savory, and packed with Cajun-style seasoning.
- Perfect for sharing: Serve everything on one large platter for an easy family-style meal.
- Big restaurant-style flavor: The combination of seafood, smoked sausage, and seasoned butter is incredibly satisfying.
- Easy to customize: Add potatoes, mussels, clams, or your favorite seafood.
Flavor & Texture Highlights
The crab legs are sweet and tender, while the shrimp soak up the garlicky butter sauce. Smoky sausage adds a rich savory bite, and the corn brings a touch of natural sweetness. Broccoli adds freshness and texture, while the eggs make the platter extra hearty.
The sauce is made with plenty of butter, fresh garlic, Cajun seasoning, paprika, lemon, and herbs. It coats everything beautifully and leaves you with plenty of flavorful sauce for dipping.
What You’ll Need
- Crab legs: Snow crab or king crab legs both work well.
- Shrimp: Large shell-on shrimp are especially flavorful.
- Smoked sausage: Adds a delicious smoky, savory flavor.
- Corn: Fresh corn cut into smaller sections works beautifully.
- Broccoli: Adds color and a fresh vegetable component.
- Eggs: Hard-boiled eggs make the seafood boil extra filling.
- Butter: The base of the rich garlic butter sauce.
- Fresh garlic: Essential for that deep garlic flavor.
- Cajun seasoning: Adds warmth, spice, and savory flavor.
- Paprika: Gives the sauce beautiful color and mild smoky sweetness.
- Lemon: Brightens the rich butter sauce.
- Fresh parsley: Adds freshness and a beautiful finishing touch.
How to Make Garlic Butter Seafood Boil
1. Prepare the Ingredients
Cut the corn into smaller pieces and slice the smoked sausage into thick rounds. Trim the broccoli into bite-sized florets. Rinse the shrimp and pat them dry. If you’re using frozen crab legs, thaw them according to the package directions.
2. Cook the Eggs
Place the eggs in a saucepan and cover them with cold water. Bring the water to a boil, then reduce the heat slightly and cook for about 10 to 11 minutes.
Transfer the eggs to an ice bath and let them cool. Peel and set aside.
3. Boil the Corn and Sausage
Bring a large pot of salted water to a boil. Add the corn and sausage and cook for about 6 to 8 minutes, until the corn is tender and the sausage is heated through.
Remove them with a slotted spoon and set aside. Reserve some of the cooking liquid in case you want to loosen the sauce later.
4. Cook the Crab and Shrimp
Add the crab legs to the same pot and simmer for about 5 minutes, since crab legs are usually already cooked and mainly need to be heated through.
Add the shrimp during the final 3 to 4 minutes of cooking. Cook just until the shrimp turn pink, opaque, and curl into a loose C shape. Be careful not to overcook them.
Steam or boil the broccoli separately for about 3 to 4 minutes, keeping it bright green and slightly crisp.
5. Make the Garlic Butter Sauce
Melt the butter in a large skillet or saucepan over medium-low heat. Add the minced garlic and cook for about 30 to 60 seconds, stirring constantly so the garlic becomes fragrant without burning.
Stir in the Cajun seasoning, paprika, Old Bay-style seafood seasoning, onion powder, black pepper, and red pepper flakes.
Add the lemon juice and a little lemon zest. Let everything gently simmer for 2 to 3 minutes so the flavors blend together.
6. Toss Everything Together
Add the cooked shrimp, crab legs, sausage, corn, broccoli, and peeled eggs to a very large bowl or roasting pan.
Pour the warm garlic butter sauce over everything. Gently toss or spoon the sauce over the ingredients until everything is generously coated.
7. Serve Hot
Transfer the seafood boil to a large serving platter or leave it in a large dish for a more rustic presentation. Spoon any remaining garlic butter sauce over the top and finish with fresh parsley, lemon wedges, and an extra sprinkle of Cajun seasoning.
Tips for the Best Seafood Boil
- Don’t overcook the shrimp. They only need a few minutes and can become rubbery if left in the boiling water too long.
- Use shell-on shrimp when possible. The shells help keep the shrimp juicy and add extra seafood flavor.
- Use unsalted butter. This gives you better control over the salt level once the seasonings are added.
- Keep the sauce warm. Warm garlic butter coats the seafood much better than cooled butter.
- Adjust the spice. Add more red pepper flakes or cayenne for heat, or reduce them for a milder version.
- Don’t forget the lemon. The acidity cuts through the richness of the butter and makes the seafood taste brighter.
Easy Seafood Boil Variations
Add potatoes: Baby potatoes are one of the most popular additions. Boil them until almost tender before adding the seafood.
Add mussels or clams: Shellfish such as mussels and clams are delicious with the garlic butter sauce.
Make it extra spicy: Add cayenne pepper, hot sauce, or extra red pepper flakes to the butter sauce.
Use lobster: Lobster tails make this seafood boil feel extra special for celebrations.
Add more vegetables: Green beans, mushrooms, asparagus, or bell peppers can all work well.
What to Serve with Seafood Boil
This seafood boil is already a complete meal, but crusty bread is perfect for soaking up the leftover garlic butter sauce. You can also serve it with lemon wedges, a crisp green salad, coleslaw, or a simple cucumber salad.
Frequently Asked Questions
Can I use frozen seafood?
Yes. Frozen crab legs and shrimp work very well. Thaw the seafood according to the package directions and drain it well before cooking.
Are crab legs already cooked?
Most crab legs sold in grocery stores are pre-cooked and frozen. They only need to be reheated, so avoid boiling them for too long.
Can I make this seafood boil without spicy seasoning?
Absolutely. Reduce or omit the cayenne and red pepper flakes and use a mild seafood seasoning instead. The garlic butter sauce will still be packed with flavor.
Can I make this recipe ahead of time?
It’s best served immediately, but you can prepare the eggs, vegetables, sausage, and sauce ahead of time. Cook the shrimp and reheat the crab shortly before serving for the best texture.
How do I store leftovers?
Place leftovers in an airtight container and refrigerate for up to 2 days. Reheat gently in a skillet over low heat with a small splash of water or extra butter to prevent the seafood from drying out.
What kind of shrimp works best?
Large or jumbo shrimp are ideal. Shell-on shrimp add extra flavor, but peeled shrimp are perfectly fine if you prefer easier eating.
Garlic Butter Seafood Boil with Crab, Shrimp, Sausage & Vegetables
Prep Time: 20 minutes
Cook Time: 25 minutes
Total Time: 45 minutes
Servings: 4
Ingredients
For the Seafood Boil:
- 1 1/2 pounds snow crab legs or king crab legs
- 1 1/2 pounds large shrimp, shell-on or peeled
- 12 ounces smoked sausage, sliced into thick rounds
- 3 ears corn, cut into 2-inch pieces
- 3 cups broccoli florets
- 4 large eggs
- 1 lemon, cut into wedges
- Salt, for the cooking water
For the Garlic Butter Sauce:
- 1 cup unsalted butter
- 8 cloves garlic, finely minced
- 2 tablespoons Cajun seasoning
- 1 tablespoon Old Bay-style seafood seasoning
- 1 teaspoon paprika
- 1 teaspoon onion powder
- 1/2 teaspoon black pepper
- 1/2 teaspoon red pepper flakes, or to taste
- 1 tablespoon fresh lemon juice
- 1 teaspoon lemon zest
- 2 tablespoons chopped fresh parsley
Instructions
- Place the eggs in a saucepan, cover with cold water, and bring to a boil. Cook for 10 to 11 minutes, then transfer to an ice bath. Peel and set aside.
- Bring a large pot of salted water to a boil. Add the corn and sliced sausage and cook for 6 to 8 minutes. Remove and set aside.
- Add the crab legs to the pot and simmer for about 5 minutes, just until heated through.
- Add the shrimp during the final 3 to 4 minutes. Cook until pink, opaque, and cooked through. Remove from the pot.
- Steam or boil the broccoli for 3 to 4 minutes until tender-crisp.
- In a large skillet, melt the butter over medium-low heat. Add the minced garlic and cook for 30 to 60 seconds until fragrant.
- Stir in the Cajun seasoning, seafood seasoning, paprika, onion powder, black pepper, and red pepper flakes.
- Add the lemon juice and lemon zest. Simmer gently for 2 to 3 minutes, stirring occasionally.
- Place the crab, shrimp, sausage, corn, broccoli, and peeled eggs in a large serving bowl or platter.
- Pour the garlic butter sauce over everything and gently toss or spoon the sauce over the ingredients until thoroughly coated.
- Garnish with chopped parsley and serve immediately with lemon wedges and extra garlic butter sauce for dipping.
Optional Note: Add 1 1/2 pounds of baby potatoes for an even heartier seafood boil. Boil the potatoes for about 12 to 15 minutes before adding the corn, sausage, and seafood.
