Onion Boil Cajun Shrimp Sausage

Featured in: Crispy Appetizers

This vibrant Southern boil combines juicy shrimp, spicy sausage, tender red potatoes, corn on the cob, and onions simmered together with fragrant Cajun seasoning. The ingredients are boiled sequentially to ensure perfect textures, then served drizzled with melted butter and fresh parsley. A squeeze of lemon finishes the dish, offering a festive, satisfying meal that’s ideal for sharing.

Updated on Mon, 16 Feb 2026 15:56:00 GMT
1. Cajun shrimp and sausage boil with juicy shrimp, spicy andouille, tender potatoes, sweet corn, and onions, all seasoned with bold Cajun spices and served family-style. Save
1. Cajun shrimp and sausage boil with juicy shrimp, spicy andouille, tender potatoes, sweet corn, and onions, all seasoned with bold Cajun spices and served family-style. | fryzia.com

My aunt called it "the one-pot miracle," and honestly, she wasn't wrong. The first time I made this Cajun shrimp and sausage boil, I was nervous about timing everything perfectly, but the beauty of this dish is that it practically orchestrates itself. You just follow the rhythm of the boiling water, adding ingredients in waves, and somehow it all comes together golden and steaming. That first bite—buttery shrimp, smoky sausage, tender potatoes with that Cajun kick—made me understand why people gather around this meal like it's a celebration.

I remember bringing this to a beach house weekend years ago, spreading everything out on newspaper on a picnic table while the sun was setting. Nobody wanted to go inside that night, and someone spilled melted butter on their lap laughing at a story, and somehow that made the whole thing feel more real than any restaurant meal ever could. That's when I realized this dish isn't really about perfection—it's about the mess and the laughter and people eating with their hands under the stars.

Ingredients

  • Large raw shrimp, shell-on and deveined: Two pounds keeps the shrimp juicy and plump; the shells protect them from overcooking during the brief boil, and deveining ahead of time saves you messy fingers later.
  • Andouille or smoked sausage: Sliced into inch-thick pieces, this adds smokiness and texture that regular sausage just won't deliver, and it releases flavor into the cooking liquid beautifully.
  • Yellow onions: Quartered rather than minced, they soften into sweet chunks and act as a natural thickener for the broth.
  • Corn on the cob: Cut into thirds so each piece is manageable and has enough surface area to absorb all those Cajun flavors.
  • Small red potatoes: Halved and left mostly unpeeled so they hold their shape and stay creamy inside while the edges get slightly crispy.
  • Garlic cloves: Smashed but not minced, they perfume the entire pot without breaking apart and clouding the broth.
  • Lemon: Halved and squeezed into the water before being dropped in whole, it brightens everything and cuts through the richness.
  • Cajun seasoning: A quarter cup might sound like a lot, but it's the soul of this dish; if you're making your own, blend paprika, cayenne, garlic powder, thyme, and oregano.
  • Bay leaves and peppercorns: Classic aromatics that add depth and a gentle heat without overpowering the delicate shrimp.
  • Melted butter for serving: This is non-negotiable; it's what makes everything glossy and makes people reach for more.
  • Fresh parsley and lemon wedges: The final garnish that makes it look like you cared, and the lemon wedges let people customize their own heat level.

Instructions

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Build your broth foundation:
Fill a large stockpot with four quarts of water and add the onions, smashed garlic, squeezed lemon halves, Cajun seasoning, bay leaves, kosher salt, and peppercorns. Bring everything to a rolling boil over high heat—you'll smell it coming, that savory, peppery aroma that makes your kitchen feel like a Cajun kitchen. Let it bubble for a minute so the seasonings meld before you add anything else.
Start with the potatoes:
Add the halved red potatoes and cook for exactly fifteen minutes; they should be fork-tender on the edges but still holding their shape in the center. This timing is your anchor point—if you rush it, they stay chalky, if you over-stew them, you'll end up with mashed potato texture.
Bring in the corn and sausage:
Drop in the corn pieces and sausage slices all at once and let them boil together for ten minutes. The sausage will release its oils and color the broth deeper, and the corn will soften just enough to be tender but still have that slight resistance when you bite it.
Add the shrimp:
When the ten minutes are up, add all the shrimp at once and start watching the clock—three to four minutes is all they need. They'll go from gray to pink right before your eyes, and the moment they're all pink, they're done; overcook them even slightly and they toughen up.
Drain and plate:
Pour everything through a colander to drain off the cooking liquid, which can be saved for soup stock if you're feeling resourceful. Discard the bay leaves and spent lemon halves, then spread everything out on a newspaper-lined table or a large platter while it's still steaming.
Finish and serve:
Drizzle the entire spread with melted butter, shower it with chopped fresh parsley, and set lemon wedges around the edge. Serve immediately while everything is hot and the butter is still glossy, and get ready for people to dig in with their hands.
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Rinse produce, clean cookware, and fill pots smoothly with flexible spray options for everyday cooking.
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2. Flavorful Southern seafood boil featuring plump shrimp, smoky sausage, corn on the cob, and red potatoes, cooked with zesty Cajun seasoning and fresh lemon for a hearty meal. Save
2. Flavorful Southern seafood boil featuring plump shrimp, smoky sausage, corn on the cob, and red potatoes, cooked with zesty Cajun seasoning and fresh lemon for a hearty meal. | fryzia.com

There's a particular kind of contentment that comes from watching someone close their eyes when they bite into shrimp that's been kissed with Cajun spices and butter, their shoulders relaxing because they know they're eating something honest and good. That moment, more than any compliment, is why I keep making this dish.

The Secret to Perfect Timing

The magic of this boil lives in the order and rhythm of cooking. Potatoes need the longest time because they're dense, corn needs just enough time to heat through and soften slightly, and shrimp needs almost nothing because they'll seize up into tough little balls if you blink. I learned this the hard way by adding everything at once the first time, which resulted in mushy corn and overcooked shrimp. Now I treat each ingredient like it gets its own moment to shine, and the result is a boil where nothing tastes overcooked or out of place.

Flavor Building and Seasoning

The Cajun seasoning does the heavy lifting here, but what makes this special is that it has time to bloom and deepen in the hot water before anything else joins. If you've never made your own Cajun blend, store-bought works beautifully, but I've started mixing my own because I can control the cayenne level and add extra smoked paprika for depth. The lemon keeps everything from feeling heavy, and the bay leaves and peppercorns add a subtle complexity that rounds out all the big, bold flavors.

Serving and Storage Tips

Newspaper on the table is traditional for a reason—it absorbs the butter and makes cleanup part of the fun, and there's something nostalgic and celebratory about eating this way. If you have leftovers, everything keeps beautifully in an airtight container in the refrigerator for three days, and you can eat it cold or gently reheated, though I prefer it fresh and steaming right from the pot.

  • Pair this with crusty bread to soak up every drop of that buttery, seasoned broth because that's the best part.
  • A light beer or crisp white wine alongside this meal feels right in a way that nothing else quite does.
  • Don't skip the fresh parsley at the end—it's not just pretty, it adds a brightness that cuts through the richness.
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3. Hearty Cajun shrimp and sausage boil with succulent shrimp, spicy sausage, sweet corn, and potatoes, all tossed in melted butter and garnished with fresh parsley for a festive feast. Save
3. Hearty Cajun shrimp and sausage boil with succulent shrimp, spicy sausage, sweet corn, and potatoes, all tossed in melted butter and garnished with fresh parsley for a festive feast. | fryzia.com

This is the kind of dish that tastes like celebration no matter what the occasion, and I promise that once you make it, you'll find yourself reaching for this recipe whenever you want to feed people something that feels special without requiring hours in the kitchen. Gather your friends, spread newspaper on a table, and let this one-pot wonder do the work.

Recipe FAQ Section

What type of sausage works best for this boil?

Andouille or smoked sausage sliced into pieces adds smoky, spicy flavor that complements the shrimp and vegetables well.

How do I ensure the shrimp are cooked correctly?

Add the shrimp last and boil for 3–4 minutes until they turn pink and opaque to avoid overcooking.

Can I adjust the spice level?

Yes, add cayenne pepper with the Cajun seasoning for extra heat or reduce seasoning for a milder taste.

What sides pair well with this boil?

Crusty bread is excellent for soaking up juices, and chilled white wine or light beer complements the bold flavors perfectly.

Is this dish suitable for a gluten-free diet?

Yes, shrimp, vegetables, and spices are naturally gluten-free; however, check sausage labels to avoid gluten-containing additives.

Onion Boil Cajun Shrimp Sausage

Southern-style boil featuring shrimp, sausage, potatoes, corn, and onions in fragrant Cajun spices.

Prep duration
15 min
Cook duration
35 min
Complete duration
50 min
Created by Samantha Rivera

Classification Crispy Appetizers

Complexity Level Easy

Heritage Southern (USA)

Output 6 Portion Count

Dietary considerations No Gluten

Components

Seafood

01 2 lbs large raw shrimp, shell-on, deveined

Meats

01 1 lb andouille sausage or smoked sausage, sliced into 1-inch pieces

Vegetables

01 2 large yellow onions, quartered
02 4 ears corn, cut into thirds
03 1.5 lbs small red potatoes, halved

Seasoning & Aromatics

01 4 cloves garlic, smashed
02 1 lemon, halved
03 1/4 cup Cajun seasoning
04 2 bay leaves
05 1 tbsp kosher salt
06 1 tsp black peppercorns

To Serve

01 4 tbsp unsalted butter, melted
02 Fresh parsley, chopped
03 Lemon wedges

Preparation Steps

Phase 01

Prepare the boiling liquid: Fill a large stockpot with 4 quarts of water. Add quartered onions, smashed garlic, lemon halves (squeezed into the water and then dropped in), Cajun seasoning, bay leaves, kosher salt, and black peppercorns. Bring to a boil over high heat.

Phase 02

Cook potatoes: Add potatoes to the boiling liquid and cook for 15 minutes, until just beginning to soften.

Phase 03

Add corn and sausage: Add corn pieces and sliced sausage to the pot. Boil for 10 more minutes.

Phase 04

Cook shrimp: Add shrimp to the boiling liquid and cook for 3 to 4 minutes, or until shrimp are pink and just cooked through.

Phase 05

Drain the boil: Drain the entire mixture through a large colander. Discard bay leaves and lemon halves.

Phase 06

Serve: Spread the drained mixture onto a newspaper-lined table or large serving platter. Drizzle generously with melted butter and sprinkle with fresh chopped parsley. Serve immediately with lemon wedges.

Necessary tools

  • Large stockpot
  • Colander
  • Sharp knife
  • Cutting board

Allergy information

Review all ingredients for potential allergens and consult with healthcare providers if you're uncertain about any item.
  • Contains shellfish (shrimp)
  • May contain dairy (butter)
  • May contain sulfites (sausage)
  • Check sausage labels for gluten and other allergens

Nutrient breakdown (per portion)

These values are approximate and shouldn't replace professional medical guidance.
  • Energy Value: 480
  • Fat: 23 g
  • Carbohydrates: 36 g
  • Protein Content: 32 g