This Cajun seafood boil combines crayfish, gulf shrimp, smoked sausage, corn on the cob, potatoes, and more for a delicious dish. It's a meal that's perfect for entertaining guests - and completely suitable as the centerpiece of your gathering. Not to mention, it is ready to enjoy in just 35 minutes.
A Cajun Delight Seafood Boil
Gather your friends for a tried and true Cajun Seafood Boil. Talk about a fun meal for parties! It’s a beautiful, colorful treat that tastes as good as it looks.
The key to this seafood boil is fresh gulf shrimp, smoked sausage, and some traditional whole crayfish. Throw in corn on the cob and potatoes. Then, douse everything in a spice-filled butter complete with Cajun seasoning, garlic, onion, and lemon.
While it may be filled with many different ingredients, it’s uncomplicated and quick to make. I can’t say enough about this refreshing and flavorful family-style meal that’s impossible to forget.
🥘 Ingredients
Anything with this much seafood is something to look forward to. The Cajun garlic butter is the proverbial icing on the cake.
Cajun Seafood Boil
- Butter - 1 tablespoon of butter to add some richness.
- Yellow Onion - 1 large yellow onion. Chop this or a white onion up for a delicious, rich taste.
- Garlic - 8 cloves of garlic. Dice it, slice it, or smash it.
- Old Bay Seasoning -2 tablespoons of old bay seasoning. Old bay is a delightful mix of paprika, celery seed, mustard, salt, red pepper, black pepper, etc. that is commonly used with seafood.
- Cajun Seasoning - 2 tablespoons of Cajun seasoning. This is a must-have blend for traditional Cajun cuisine use mine or store-bought.
- Bay Leaves - 4 whole bay leaves. This is a simple way to add tons of flavor to any soup.
- Lemon - The juice of one large lemon. Citrus adds a fresh twist in a sea of savory spices.
- Salt and Pepper - 1 teaspoon of both salt and pepper. These are classic seasonings for almost any dish!
- Water - 16 cups of water. Boil your potatoes in seasoned water, and they’ll soak up the flavor.
- Yukon Gold Potatoes - 1½ pounds of Yukon gold potatoes. Feel free to use any yellow or white potato–whole, halved, or quartered.
- Sweet Corn - 4 ears of sweet corn.
- Smoked Sausage - 14 ounces of smoked sausage. Slice up your favorite kind.
- Crayfish - 24 ounces of whole crayfish/crawfish. These may not be at your average grocer’s; try your nearest seafood shop!
- Gulf Shrimp - 24 ounces of whole gulf shrimp. Buy them raw–grey in color–for best results.
Garlic Butter Sauce
- Butter - ½ cup of butter to act as the base of the sauce.
- Yellow Onion - ½ of a large yellow onion that has been peeled and diced.
- Garlic - 1 tablespoon of minced garlic.
- Lemon - ½ of a large lemon. You'll need both the zest and the juice.
- Cajun Seasoning - 1 tablespoon of Cajun seasoning, or more to taste.
Be sure to see the free printable recipe card below for ingredients, exact amounts & instructions with tips!
🔪 How To Make A Cajun Seafood Boil
You’ll need a slew of seasonings and seafood to make this, but the cooking process is simple. Pull out one big pot for the seafood and a small skillet for the garlic butter sauce.
This recipe is great for 6 hearty servings. You could double the recipe but you may need another pot!
Cajun Seafood Boil
- To begin, saute the onion. Put 1 tablespoon of butter into a large stockpot and melt over medium heat. Add 1 large, chopped yellow onion and saute until it starts to become translucent. It should take 2-3 minutes.
- Next, add seasonings and boil. Stir in 8 cloves of diced garlic, 2 tablespoons Old Bay seasoning, 2 tablespoons Cajun seasoning, 4 whole bay leaves, the juice of 1 large lemon, 1 teaspoon salt, 1 teaspoon pepper, and 16 cups of water. Bring it all to a boil over medium-high heat.
- Cook the potatoes. Cut 1½ pounds of Yukon Gold potatoes into halves or quarters. If they’re bite-sized, leave them whole. Drop them all into the pot, cover, and cook for 10 minutes until they start becoming tender. Turn down the heat if needed to prevent the liquid from boiling over.
- Finally, add the corn, seafood, and meat. When the potatoes are starting to get tender, drop in 4 ears of quartered sweet corn and 14 ounces of sliced, smoked sausage. Add another 5 minutes of cooking time.
Then, transfer 24 ounces of whole crayfish and 24 ounces of gulf shrimp to the pot. Put the lid back on and shut off the stove. Leave everything to sit while you make the lemon garlic butter sauce.
Make The Garlic Butter Sauce
- Saute the garlic and onion. Heat a skillet on medium heat. Put ½ cup butter in and wait for it to melt. Dice ½ a yellow onion and add it to the pan. Saute for 2-3 minutes before adding 1 tablespoon minced garlic. Continue to cook for another minute.
- Add seasonings. Stir in 1 tablespoon of Cajun seasoning and the juice and zest from ½ a large lemon.
- Toss into the seafood and serve. Drain the seafood mixture and add the sauce. Stir to coat everything before serving immediately.
Seafood boils are excellent for lunch or dinner. Serve by itself or with a broccolini salad, Cajun fries, Texas Toast, or a green salad and garnish with a sprig or two of parsley.
💭 Angela's Pro Tips & Notes
- To kick up the heat, add more Cajun seasoning, cayenne pepper, or red pepper flakes to the garlic butter sauce. Remember, there is a bit of seasoning already on the seafood; be conservative at first.
- You can also serve the garlic butter sauce on the side as a dipping sauce. It’s amazing with a side of toasted bread!
- For leftovers, take shrimp and crayfish out of their shells and chop them into pieces. Add an egg or two, sour cream or milk, breadcrumbs, and spices to make crayfish cakes! Heat up 1 tablespoon of olive oil in a skillet and fry them until golden.
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🥡 Storing & Reheating
Keep leftovers in an airtight container or a plastic bag with the air pushed out, and you can enjoy this meal for up to 4 days after it’s been cooked.
If your gulf shrimp were fresh, you can freeze your leftovers. However, you should never refreeze shrimp. So if your shrimp had to be thawed before you added them to the boil, leave any extra food in the fridge.
When freezing, put cooled leftovers in a freezer bag and remove as much air as possible. It will be good for up to three months.
Reheating
To reheat, turn the oven to 275℉ (135℃). While waiting for it to heat up, put leftovers on a greased baking sheet and sprinkle it with a bit of water. Cover it with foil and bake for at least 10-15 minutes or until the internal temperature is 125-130℉ (52-54℃).
If you stored your butter sauce separately, you can also steam leftovers in a large pot fit with a steamer. Heat 2 inches of water to boiling, add leftovers, and leave covered for 6-8 minutes before mixing with melted Cajun garlic butter sauce.
To reheat from a frozen state, thaw in the fridge overnight before following the instructions above.
❓ Recipe FAQs
You can use anything you like, but I have a few favorites. I would recommend Johnsonville Smoked Andouille, Johnsonville New Orleans Andouille, and Hillshire Farm Beef Smoked Sausage.
The important thing is to buy something precooked–something you could just slice off and snack on–so that it cooks quickly. Limit the additions like apple, cheese, or sage; you’re already seasoning it and don’t want interference.
I strongly recommend you don’t use the microwave to reheat seafood. It is very likely to dry out, overcook, and put off pungent fishy smells.
A Cajun boil refers to shellfish, potatoes, and corn that have been simmered in a tasty broth before being topped with some delicious butter sauce! It's the perfect seafood recipe for a crowd!
🦐 What To Serve With A Cajun Seafood Boil
- French Bread - This delicious homemade bread is perfect for sopping up all of the tasty sauce.
- Microwave Acorn Squash - Making your acorn squash in the microwave is practically effortless.
- Steamed Broccoli - Steamed broccoli is a classic side dish that pairs well with this delicious seafood meal.
- Baked Parmesan Zucchini Rounds - For a twist on a typical vegetable dish, try out these cheesy zucchini rounds.
- Cob Loaf - This yeast-based bread is completely beginner-friendly.
- Rustic Bread - Another delicious bread that can easily accompany your savory seafood dish.
Do you love a recipe you tried? Please leave a 5-star 🌟rating in the recipe card below and/or a review in the comments section further down the page.
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📖 Recipe Card
Cajun Seafood Boil With Cajun Butter Sauce
Ingredients
Cajun Seafood Boil
- 1 tablespoon butter
- 1 large yellow onion (or white onion, chopped)
- 8 cloves garlic (diced, sliced, or smashed)
- 2 tablespoon old bay seasoning
- 2 tablespoon Cajun seasoning
- 4 whole bay leaves
- 1 large lemon (juiced)
- 1 teaspoon each, salt & pepper (to taste)
- 16 cups water
- 1 ½ lbs Yukon Gold potatoes (yellow or white potato - whole, halved, or quartered)
- 4 ears sweet corn (quartered)
- 14 oz smoked sausage (one package, sliced)
- 24 oz crawfish (whole)
- 24 oz gulf shrimp (whole)
Garlic Butter Sauce
- ½ cup butter (1 stick unsalted butter)
- ½ large yellow onion (diced)
- 1 tablespoon garlic (minced)
- ½ large lemon (juice and zest)
- 1 tablespoon Cajun seasoning (to taste)
Instructions
Cajun Seafood Boil
- In a large stockpot, warm the 1 tablespoon butter over medium heat until melted. Add chopped 1 large yellow onion and saute for 2-3 minutes, or until it just begins to turn translucent.
- Add in the 8 cloves garlic, 2 tablespoon old bay seasoning, 2 tablespoon Cajun seasoning, 4 whole bay leaves, lemon juice from 1 large lemon, 1 teaspoon each, salt & pepper, and 16 cups water. Stir to mix and bring to boil over medium-high heat.
- Once your water is boiling, add the 1 ½ lbs Yukon Gold potatoes (leave whole if small, halve, or quarter to have evenly sized potatoes) and cook covered for about 10 minutes or until they start to get tender. *Reduce heat if necessary to prevent boiling over.
- Add the 4 ears sweet corn and 14 oz smoked sausage, cover, and cook for an additional 5 minutes. Then add the 24 oz crawfish and 24 oz gulf shrimp, return the cover, and turn off the heat. Let the pot sit undisturbed for 5 minutes while you make the garlic butter sauce.
Garlic Butter Sauce
- Bring a skillet to medium heat, add the ½ cup butter, and melt. Add diced ½ large yellow onion and saute for 2-3 minutes, then add the 1 tablespoon garlic and continue sauteing for an additional minute.
- Add the 1 tablespoon Cajun seasoning along with ½ large lemon juice and zest, then stir to incorporate. Serve on the side, or toss the drained seafood boil in the lemony garlic butter sauce.
Nedra says
Never did a boil before the hubby got a swamp bucket. Have done twice this year with this recipe and it is a huge hit!! Will continue to use and definitely recommend 👌.
Wesley Rainbolt says
First time making a crawfish boil and this was amazing. My kids ages 2-9 all looked at the crawfish and was like bleh but by the end of the night my 3 oldest girls and my wife were peeling their own crawfish and slamming back corn and shrimp. I used still frozen shrimp and crawfish so after each item was added I allowed the pot to come back to a full rolling boil before I started the 5 minute timer.
Merlin says
So good, I love the homemade seasoning it is definitely a keeper!
Diana Wright says
We enjoyed this amazing recipe with Louisana natives and it lived up to their every expectation. We did not add butter to the boil, but kept is separate in little bowls so guests could butter up however they liked. This also helped with reheated the leftovers. Yum and yum!
Anonymous says
My 1st seafood boil, and this recipe rocks! Whole family luv it! Thank you!!
Shara says
I would love to adapt this to a bag-in- oven method. Any thoughts?
Angela @ BakeItWithLove.com says
Preheat your oven to 375F and use 1 tablespoon flour in your oven roasting bag, shake to coat the bag. Add the ingredients and gently mix to coat with seasoning then close and seal with the tie. Cut 5-6 little half inch slits in the top of the bag to vent, then cook for about 30 minutes. Serve when the shrimp is cooked and the potatoes are tender, use a slotted spoon when serving. Enjoy!
Tammy says
With out a doubt one of the best family meals we have ever had...there was so much food for everyone! A true southern favorite meal now!!!
Sarah says
Are you using fresh or frozen seafood?
Angela @ BakeItWithLove.com says
Either works, as long as the seafood is fully thawed so that the cooking times are all accurate. I'm in the middle of Minnesota 🙂 so there's not a ton of fresh seafood here!
Angie B says
This is the easiest seafood boil i've ever made! Thank you so much for the easy instructions without any extra steps. It's been a long time since I've made my own seafood boil so I wasn't sure how well it would turn out, but this was really an easy recipe to follow.