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This seafood boil brings bold, buttery flavor with minimal effort, making it a standout choice for weekend gatherings or special family dinners. Every bite delivers tender seafood, hearty potatoes, and sweet corn all coated in rich garlic butter and Creole spices for that signature Southern taste.
What makes this version truly special is the oven bag method, which locks in moisture and concentrates flavor instead of diluting it. Starting with perfectly cooked vegetables ensures they’re tender and seasoned before everything finishes together in the sauce. This dish pairs especially well with rich classics like Shrimp & Sausage Dirty Rice, creamy Classic Southern Style Shrimp and Grits, savory House Special Fried Rice Recipe, or comforting Chicken Pot Pie when you’re building out a full meal.
🍽️ A Quick Look at the Recipe
Recipe Name: Seafood Boil in Oven Bags
⏱️ Ready In: 1 hour
👨👩👧👦 Serves: 6
🥣 Key Ingredients: Snow crab, shrimp, crawfish, sausage, garlic butter sauce
📖 Dietary Info: Contains shellfish and dairy; gluten-free if sausage is gluten-free
🔥 Why You’ll Love It: Big seafood boil flavor without needing an outdoor burner.

Key Ingredients
Snow Crab Clusters
These provide sweet, delicate meat that soaks up the seasoned butter beautifully. They’re the star of the boil.
Large Shrimp
Shrimp cook quickly and add a tender, juicy bite. Make sure they’re peeled and deveined for easy eating.
Crawfish
Crawfish bring authentic boil flavor and texture. They absorb seasoning well and add depth to the mix.
Garlic Butter Sauce
The backbone of the dish. Butter, garlic, Creole seasoning, and spice create that rich, bold coating that ties everything together.
Instructions
Step 1: Prep the Base
Preheat your oven to 350°F. Bring a large pot of water to a rolling boil and season it generously with Cajun seasoning, and garlic powder. Add the baby potatoes and corn and cook until the potatoes are fork-tender, about 15 minutes. If using eggs, boil them during the last 7 minutes. Drain and set aside.

Step 2: Build the Flavor
In a skillet over medium heat, melt one stick of butter with olive oil. Add sliced onions and sauté until soft and translucent. Stir in minced garlic and cook briefly until fragrant. Add lemon juice and all seasonings, adjusting cayenne and red pepper flakes to your preferred heat level.

Step 3: Cook and Control
Add the remaining butter and pour in chicken broth (or water). Let the sauce simmer for about 10 minutes so the flavors combine and slightly reduce. Slice the sausage and divide the crab, shrimp, crawfish, sausage, potatoes, and corn evenly into oven bags. Pour ½ to 1 cup of sauce into each bag and seal tightly.

Step 4: Finish and Serve
Place the bags on a baking sheet and bake for 15 minutes. Carefully open each bag (watch the steam), add a boiled egg if using, and sprinkle with extra Cajun seasoning if desired. Serve immediately with extra sauce on the side for dipping.

Tips & Tricks
- Add a splash of hot sauce to the butter for an extra kick.
- Don’t overbake — seafood cooks quickly and can become rubbery.
- Use pre-cleaned shrimp to save prep time.
- Taste the sauce before assembling and adjust salt and spice as needed.
Variations
Spicy Cajun Version: Increase cayenne and add extra red pepper flakes.
Lobster Upgrade: Replace crab with lobster tails for a premium twist.
Mild Family Style: Reduce cayenne and skip red pepper flakes for kid-friendly heat.
Serving Suggestions
- Classic coleslaw
- Buttery garlic bread
- Fresh garden salad
- Green beans
- Cornbread
- Mac and cheese
- Extra lemon wedges and hot sauce for topping
Notes
- Keep seafood refrigerated until ready to use.
- Store leftovers in an airtight container for up to 2 days.
- Reheat gently to prevent overcooking the seafood.
Frequently Asked Questions
Can I make this ahead of time?
You can prep the sauce and boil the vegetables ahead of time. Assemble and bake just before serving for best texture.
How do I store leftovers?
Store in an airtight container in the refrigerator for up to 2 days.
Can I substitute snow crab?
Yes, king crab or lobster tails work well and maintain a similar texture and richness.
What’s the best way to reheat this?
Reheat in the oven at 300°F covered with foil until warmed through. Avoid microwaving too long to prevent rubbery seafood.
Can I make this in a smoker?
Yes. Assemble in foil pans instead of oven bags and cook at 325°F until heated through.
If you tried this Seafood Boil in Oven Bags or any other recipe on my blog, please leave a ⭐ star rating and let me know how it turned out in the comments!
Summarize and Save

Seafood Boil in Oven Bags
Ingredients
- 6 snow crab clusters
- 2 pounds large shrimp peeled and deveined
- 3 pounds crawfish
- 2 sausage links sliced
- 12 baby red potatoes
- 6 ears corn halved
- 6 boiled eggs optional
- 3 sticks unsalted butter
- ¼ cup olive oil
- 1 onion sliced
- 3 tablespoons minced garlic
- 1 lemon juiced
- 3 cups chicken broth
- 3 tablespoons Creole seasoning
- 3 tablespoons paprika
- 2 tablespoons chili powder
- 1 tablespoon cayenne pepper
- 1 tablespoon red pepper flakes
- 1 tablespoon lemon pepper seasoning
- 2 tablespoons sweet chili sauce
Instructions
- Preheat the oven to 350°F and bring a large pot of seasoned water to a boil. Cook the potatoes and corn until tender, adding eggs during the last few minutes if using. Drain and set aside.
- In a skillet, melt butter with olive oil and sauté onions until softened. Add garlic and cook briefly, then stir in lemon juice and all seasonings. Add remaining butter and broth, allowing the sauce to simmer and slightly reduce.
- Divide the seafood, sausage, potatoes, and corn evenly into oven bags. Pour seasoned butter sauce into each bag and seal tightly. Arrange the bags on a baking sheet.
- Bake for 15 minutes until everything is heated through and infused with flavor. Carefully open the bags, add boiled eggs if desired, and serve hot with extra sauce on the side.
Notes
- Adjust cayenne for preferred spice level.
- Reheat gently to avoid overcooking seafood.
- Substitute lobster or mussels for variety.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Like This? Leave a comment below!















I made this “SEAFOOD BOIL IN OVEN BAGS WITH GARLIC BUTTER SAUCE” today Saturday, March 28, 2026, step by step. The only thing I I notice my garlic butter sauce was not as red and thick looking as yours. Is it perhaps because I left out the cayenne pepper, red pepper flakes & I didn’t have the sweet chili sauce. Otherwise It was very good.
Best One yet AB