Cajun Shrimp Boil Recipe: Easy Stovetop Boil With Sausage, Corn, and Potatoes

By Aquarium Guides Editorial Team · Updated November 10, 2026

Last Updated: November 10, 2026

A Cajun shrimp boil is a one-pot meal built for sharing. Potatoes, corn, and smoked sausage simmer in a seasoned broth, and shrimp go in at the very end so they stay tender. Pour everything onto a table covered with paper, drizzle with garlic butter, and let people dig in. This stovetop version feeds six and needs about 45 minutes.

Ingredients

The Boil

• 4 quarts water
• 1 lemon, halved, plus 2 more lemons cut into wedges for serving
• 1 large yellow onion, quartered
• 1 head of garlic, halved crosswise
• 3 tablespoons Cajun or Creole seasoning
• 2 tablespoons kosher salt
• 2 bay leaves
• 1 tablespoon whole black peppercorns (optional)
• 1 1/2 pounds baby red or small Yukon Gold potatoes, halved if larger than an egg
• 1 pound smoked andouille or other smoked sausage, cut into 2-inch pieces
• 4 ears fresh corn, shucked and broken into thirds
• 2 pounds large shell-on shrimp (16 to 20 count), deveined with shells left on

Garlic Butter Sauce

• 1 cup (2 sticks) unsalted butter
• 6 cloves garlic, minced
• 1 tablespoon Cajun seasoning
• 1 teaspoon paprika
• Juice of 1 lemon
• 2 tablespoons chopped fresh parsley

Instructions

1. Combine the water, halved lemon, onion, garlic, Cajun seasoning, salt, bay leaves, and peppercorns in a large stockpot (at least 12 quarts). Bring to a boil over high heat, then simmer for 10 minutes to build flavor.
2. Add the potatoes and cook 10 minutes.
3. Add the sausage and corn. Continue cooking 8 to 10 minutes until the potatoes are fork-tender.
4. Meanwhile, melt the butter in a small saucepan over medium-low heat. Add the garlic and cook 1 minute. Stir in the Cajun seasoning, paprika, and lemon juice. Keep warm.
5. Turn the heat to medium. Add the shrimp and cook 2 to 3 minutes, just until they turn pink and opaque and curl into a loose C shape. The shrimp are safe when the flesh is opaque and reaches 145°F.
6. Turn off the heat. Let the pot sit 5 minutes so everything absorbs flavor.
7. Drain with a large colander or lift the ingredients out with a spider strainer.
8. Spread the boil over a table lined with butcher paper. Pour the garlic butter over the top, sprinkle with parsley, and serve with lemon wedges.

Order of Ingredients and Why It Matters

Each element needs a different amount of time. Potatoes are dense and need the longest, so they go in first. Sausage and corn need less, since the sausage is already cooked and the corn just needs to turn bright and tender. Shrimp are the most delicate and take only a few minutes. If you add everything at once, you end up with mushy corn and rubbery shrimp. Using shell-on shrimp also helps, because the shells protect the meat and add flavor to the broth.

Tips

• Taste the broth before adding vegetables. It should taste noticeably salty and spicy, since potatoes absorb a lot of seasoning.
• Choose similarly sized potatoes so they finish together.
• Pat frozen shrimp dry after thawing. Thaw in the refrigerator overnight or in cold water for 15 to 20 minutes.
• Use a larger pot than you think you need. Crowding drops the boiling temperature and slows cooking.
• Do not walk away once the shrimp go in. Two minutes too long makes them tough.
• Taste for salt after draining. You may want a pinch more seasoning in the butter.

Variations

Add Crab Legs or Crawfish

Fully cooked snow crab clusters can be added with the shrimp and heated for 3 to 4 minutes. Live crawfish take about 5 minutes after the water returns to a boil, and should be purged and cleaned before cooking.

Mushrooms and Artichokes

Whole button mushrooms and trimmed artichoke hearts soak up the broth well. Add them with the potatoes.

Oven Sheet Pan Boil

Toss potatoes, sausage, and corn with oil and Cajun seasoning and roast at 425°F for 25 minutes. Add the shrimp for the last 6 to 8 minutes and finish with the garlic butter.

Instant Pot Version

Cook potatoes, corn, and sausage with 2 cups of seasoned water under high pressure for 3 minutes, quick-release, then add shrimp and use the saute function for 2 minutes.

Milder Boil

Cut the Cajun seasoning to 1 tablespoon and add extra lemon and a bag of crab boil seasoning for aroma without much heat.

Beer Broth

Replace 2 cups of the water with a light lager for a subtle malty flavor.

Shopping and Shrimp Sizing Guide

Shrimp are sold by count per pound. A label of 16 to 20 means roughly 16 to 20 shrimp make a pound, which suits a boil because the larger size resists overcooking. Look for firm shrimp with a mild ocean smell and no black spots on the shell or ammonia odor. Most shrimp in grocery stores were previously frozen, so buying a frozen bag and thawing it yourself is often a better choice than the thawed display case. For sausage, andouille gives the most authentic heat, but kielbasa or smoked sausage works if you prefer a milder flavor. Corn tastes best in summer, though frozen corn cobs can substitute in colder months; add them straight from frozen with the potatoes.

Setting Up the Table

1. Cover the table with several layers of newspaper or butcher paper.
2. Set out bowls for shells and corn cobs, wet wipes, and paper towels.
3. Provide small bowls of extra melted butter and hot sauce for dipping.
4. Pour the boil onto the center, drizzle with garlic butter, and serve at once.

Serving and Sides

Provide plenty of napkins, bowls for shells, and a trash bin or lined bucket. Crusty French bread, coleslaw, and cold drinks are classic accompaniments. Set out hot sauce and extra lemon so everyone can customize.

Storage and Reheating

Seafood is best eaten right away. Refrigerate leftovers within 2 hours in a shallow, covered container and use within 2 days. Peel the shrimp before storing to save time later. Reheat gently in a skillet with a splash of broth or a little butter over medium-low heat, just until warmed, to avoid overcooking the shrimp. Potatoes, corn, and sausage reheat well in the microwave. Leftover shrimp are also good cold in salads or tossed into pasta or rice. Do not freeze the cooked boil, because potatoes turn grainy.

FAQ

Can I use pre-peeled shrimp?

Yes, but cook them for only about 90 seconds to 2 minutes, because they cook faster without shells. Shell-on shrimp provide more flavor and moisture.

What is the difference between Cajun and Creole seasoning?

Both are Louisiana blends. Cajun seasoning is typically more pepper-forward and spicier, while Creole blends often include more herbs like oregano and thyme. Either works here; adjust salt to taste.

How many people does this recipe serve?

It serves 6 as a main course. For a larger crowd, double the vegetables and shrimp and use a bigger pot or cook in two rounds.

Should I reuse the broth?

You can strain it and use it as a base for seafood soup or rice, but cool it quickly and use it within a day. Because it is salty, dilute it with water or unsalted stock.

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