I’ve been cooking seafood boils for years, from backyard cookouts to full-production recipe videos, and this oven-baked seafood boil in a bag method is hands-down my favorite way to do it at home. No giant pot, no outdoor setup — just a sheet pan, an oven bag, and the same incredible flavor you’d get from a traditional boil. I developed this technique to make it foolproof for home cooks, and the response from my audience has been massive.

Looking for a simpler shrimp-only version? Check out my shrimp boil bag recipe for a quicker cook with just shrimp as the star.

Want to try a shrimp-focused version? My shrimp boil bag recipe uses the same bag technique with just shrimp for a faster weeknight dinner.

Why This Recipe Works

Seafood boils are a tradition in many Southern and coastal homes, but cooking one at home can feel intimidating. That’s why I love this oven-baked seafood boil in a bag method. By pre-cooking the potatoes, corn, and sausage, you ensure they’re perfectly done without turning mushy.

The seafood steams inside the oven bag, locking in flavor and keeping everything juicy. The buttery garlic-citrus sauce ties it all together with just the right balance of Cajun seasoning, citrus brightness, and a touch of heat. Best of all? The cleanup is practically effortless — no giant stockpot required.

Seafood Boil Ingredients

• 3 lbs crab legs
• 2 lbs shrimp
• 4 lobster tails (halved)
• 2 lbs small potatoes
• 1–2 onions, chopped
• 2–3 lbs andouille sausage, sliced
• 4 corn on the cob (cut in half or quarters)
• 2 sticks (1 cup) unsalted butter
• 1–2 heads roasted garlic
• 2 tablespoon fresh garlic (or garlic paste)
• Juice of 1 orange
• Juice of 1 lemon
• 2 tablespoon hot sauce
• 1 tablespoon Worcestershire sauce
• 1 tablespoon chicken bouillon powder
• AP seasoning (to taste)
• Lemon Bae seasoning (to taste)
• 1 cup chicken broth
• ¼ cup fresh parsley, diced

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Step-by-Step Seafood Boil In A Bag Recipe Instructions

Step 1 – Prep the Potatoes & Corn

Scrub 2 lbs of small potatoes until the water runs clear.

Boil until about two-thirds of the way cooked (still slightly firm). Drain.

Lightly oil 4 halved corn cobs with olive or avocado oil, season, and roast at 400°F for 5–6 minutes. This prevents mushy corn in the boil.

Step 2 – Prep the Lobster & Sausage

Using sharp kitchen scissors, cut the backs and undersides of 4 lobster tails, then split them in half. Clean thoroughly.

Slice 2–3 lbs andouille sausage into bite-sized pieces.

Sear in a cold skillet over medium heat until browned and flavorful (about 5 minutes). Remove sausage and set aside.

Step 3 – Build the Garlic Butter Sauce

In the same skillet, melt 2 sticks of butter.

Add 1–2 chopped onions, sautéing until softened.

Mash and stir in 1–2 heads roasted garlic and 2 tablespoon fresh garlic until fragrant.

Pour in the juice of 1 orange and 1 lemon, then add 2 tablespoon hot sauce, 1 tablespoon Worcestershire sauce, and 1 tablespoon chicken bouillon powder.

Season generously with AP seasoning and Lemon Bae seasoning (about 3–4 tablespoon combined).

Add 1 cup chicken broth, simmer for 5–7 minutes until slightly reduced. Stir in ¼ cup fresh parsley. Taste and adjust seasoning.

Step 4 – Assemble the Seafood Boil Bag

Place a turkey roasting bag inside a foil pan or large casserole dish for support.

Add a layer of sauce to the bottom.

Layer in potatoes, corn, and sausage.

Add 3 lbs of crab legs and 4 halved lobster tails.

Pour the remaining sauce evenly over the ingredients. Tie the bag loosely, leaving room for steam.

Step 5 – Bake & Add Shrimp

Bake at 400°F for 30–35 minutes.

Open the bag carefully, add 2 lbs shrimp, reseal, and cook for another 8–10 minutes until shrimp turn pink and opaque.

Step 6 – Serve & Garnish

Open the bag, transfer to a large platter, and drizzle with extra sauce.

Garnish with fresh parsley and lemon wedges.

Serve hot with crusty bread to soak up the buttery garlic sauce.

Pro Tips for the Best Seafood Boil

• Pre-cook wisely: Parboiling potatoes and roasting corn prevents mushy textures.
• Balance flavors: Citrus juice cuts through the richness of the butter.
• Don’t overcook shrimp: Add them last to keep them juicy and tender.
• Bag support: Always place your turkey bag inside a roasting pan for safety.

What to Serve with a Seafood Boil

Seafood boils are a full meal on their own, but I love pairing them with:

• Garlic bread or French baguette (perfect for soaking up sauce)
• A crisp garden salad or coleslaw for freshness
• Chilled white wine, beer, or sweet tea

Final Thoughts

This Seafood Boil in a Bag is a showstopper every single time I make it. It’s bold, buttery, and bursting with Cajun-inspired flavor — without the mess of a giant stockpot. Whether it’s a holiday, family cookout, or just a special weekend dinner, this recipe delivers that restaurant-style boil experience right at home. Trust me, once you try it, you’ll never look at seafood the same way again.

More Seafood Recipes by Mr. Make It Happen

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Print & Download Seafood Boil Recipe

Frequently Asked Questions

What seafood is best for a seafood boil?

The classic combination includes shell-on shrimp, snow crab legs, and crawfish. You can also add littleneck clams, mussels, or lobster tails for a premium boil. The key is choosing seafood that holds up well to boiling and pairs with the bold Cajun butter sauce.

How do you make a seafood boil in a bag?

Start by boiling your potatoes, corn, and sausage since they take the longest to cook. Then add the seafood and cook just until done. Transfer everything into a large bag or container and pour the seasoned garlic butter sauce over the top. Shake it all together so every piece gets coated in flavor.

What seasoning do you use for a seafood boil?

Old Bay is the traditional go-to, but you can level it up with a mix of Cajun seasoning, garlic powder, paprika, and lemon pepper. The real flavor comes from the butter sauce you toss everything in after boiling, which should be loaded with minced garlic, melted butter, and your favorite spice blend.

Can you reheat leftover seafood boil?

Yes, but be careful not to overcook the seafood. The best method is to reheat everything in a large skillet over medium heat with a splash of the butter sauce or a little extra melted butter. You can also wrap portions in foil and warm them in a 350°F oven for about 10 minutes.