Cajun Shrimp Sausage Pasta

A rich, creamy Cajun pasta loaded with juicy seared shrimp, smoky andouille sausage, and a velvety spiced cream sauce that clings to every noodle.

Why This Recipe Works:

• Staged Searing: Cooking the shrimp and sausage separately prevents overcrowding, ensuring a beautiful golden crust without overcooking the seafood.
• Fond Deglazing: The caramelized bits left in the pan by the sausage are lifted by the liquid, infusing the entire cream sauce with deep, smoky flavor.
• Emulsified Cream Sauce: Simmering heavy cream gently with starchy pasta water creates a stable, velvety emulsion that clings perfectly to the noodles.

I still remember the evening I tried to make a quick skillet pasta in my tiny college apartment, only to end up with rubbery shrimp and a sauce that looked like watery milk. My forearms actually ached from aggressively whisking that broken, curdled mess while the smell of burnt garlic mocked me.

It was a disaster.

Most creamy seafood pastas fail because home cooks toss the shrimp, sausage, and cream into the pan all at once. This overcrowding drops the pan's thermal mass.

On a molecular level, the shrimp boil in their own juices instead of searing, while the excessive heat splits the dairy's delicate protein matrix. You end up with rubbery seafood swimming in a greasy, broken puddle.

Bear with me here.

The physics of this is fascinating, but the practical fix is incredibly simple: we must use a staged cooking process. First, we sear the shrimp and sausage separately to develop a deep, caramelized fond on the bottom of the pan. Then, we deglaze with chicken stock and heavy cream, allowing those oil-soluble flavor compounds in the Cajun spices to bloom beautifully into a cohesive, velvety sauce.

It works flawlessly.

If you love seafood but want a different twist, you can also try our [Garlic Butter Shrimp](/2026/07/garlic-butter-shrimp-scampi-lasagna-recipe-5162.html) scampi lasagna. But today, we are mastering this one-pan skillet wonder.

Cajun Shrimp Sausage Pasta

• Publisher Storied Skillet
• Cuisine Cajun
• Category Dinner, Pasta
• Prep Time 15 mins
• Cook Time 20 mins
• Servings 4
• Calories 680 calories
• Rating 4.8 1720
• Tags Cajun pasta, shrimp and sausage, creamy pasta

Ingredients

• 340g penne pasta
• 450g large shrimp, peeled and deveined
• 225g andouille sausage, sliced into rounds
• 2 tablespoons Cajun seasoning, divided
• 2 tablespoons olive oil
• 3 cloves garlic, minced
• 240ml heavy cream
• 120ml chicken broth
• 50g Parmesan cheese, freshly grated
• 1 teaspoon Diamond Crystal kosher salt
• 2 green onions, sliced

Directions

1. Bring a large pot of salted water to a boil and cook the penne pasta according to package instructions until al dente. Reserve 120ml of starchy pasta water, then drain the noodles.
2. Toss the peeled shrimp with 1 tablespoon of Cajun seasoning and 1 teaspoon of Diamond Crystal kosher salt in a medium bowl until evenly coated.
3. Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Add the shrimp in a single layer and sear for 1 to 2 minutes per side until pink and opaque, then fish them out and set aside.
4. Add the remaining olive oil and the sliced andouille sausage to the same skillet, cooking for 3 to 4 minutes until beautifully browned and crispy. Remove the sausage and set aside with the shrimp.
5. Reduce the heat to medium, add the minced garlic and the remaining Cajun seasoning, and stir constantly for 30 seconds to let the spices bloom in the hot oil.
6. Pour in the chicken broth, using a wooden spoon to scrape up all the caramelized bits (fond) stuck to the bottom of the pan, then pour in the heavy cream and bring to a gentle simmer.
7. Toss the cooked pasta, seared shrimp, sausage, and grated Parmesan cheese into the skillet, tossing vigorously over low heat and adding a splash of the reserved pasta water to help the sauce cling to the noodles. Garnish with sliced green onions and serve warm.

Notes

• Salt Conversion: This recipe specifies Diamond Crystal kosher salt. If you are using Morton's kosher salt or fine table salt, cut the measurement in half (use 1/2 teaspoon) to avoid over-salting.
• The Science of Heavy Cream: Always use heavy cream rather than milk or half-and-half. The higher fat content in heavy cream prevents it from curdling when exposed to the heat and spices, stabilizing the protein matrix.
• Prevent Garlic Burn: Garlic burns in seconds and turns bitter. Have your chicken broth measured and sitting right next to the stove so you can pour it in immediately after sautéing the garlic to stop the cooking process.
• Storage Behavior: Pasta acts like a sponge in the fridge, absorbing the sauce as it sits. When reheating leftovers, always add a splash of milk or broth to loosen the sauce back into a creamy emulsion.
• Slow Cooker Alternative: If you prefer a hands-off approach, check out our [Creamy Cajun pasta with shrimp and sausage](/2026/07/slow-cooker-4-ingredient-cheesy-best-6178.html) designed specifically for the slow cooker.

Serving Suggestions

This rich and spicy pasta pairs beautifully with fresh, crisp sides that cut through the heavy cream. Here are my favorite ways to round out the meal:

• Pair it with a bright, peppery salad like our [Lemon Arugula Pasta Salad](/2026/07/this-korean-bbq-chicken-sandwich-best-7142.html) to balance the rich cream sauce.
• Serve with a side of warm, crusty garlic bread to scoop up every last drop of the Cajun cream.
• Offer extra lemon wedges on the side; a squeeze of fresh citrus juice right before eating cuts through the fat beautifully.
• Top with a generous handful of freshly shaved Parmesan cheese and extra sliced green onions for a pop of color and bite.

Storage and Reheating

Leftover Cajun pasta keeps beautifully in an airtight container in the fridge for up to three days. However, you should know that the pasta will act like a sponge overnight, drinking up that glorious cream sauce until it looks dry.

Don't panic.

To restore it to its former velvety glory, avoid the microwave if you can. The intense, uneven heat of a microwave will melt the butterfat out of the cream, leaving you with a greasy puddle.

Instead, dump the leftovers into a skillet over low heat. Splash in two tablespoons of milk or chicken broth, and gently toss until the sauce re-emulsifies and clings to the noodles once more.

Ingredient Substitutes

If you need to swap out some ingredients based on what is in your pantry, here are the best tested alternatives:

1. Andouille Sausage: If you can't find smoked andouille, smoked kielbasa or Spanish chorizo make excellent stand-ins. For a chicken-based alternative, try our [Cajun Chicken Pasta](/2026/07/cajun-chicken-pasta-best-5643.html) flavor profile.
2. Shrimp: Chicken breast works beautifully here. If you want to swap the seafood entirely, check out our [Cajun Sausage Pasta](/2026/07/cajun-sausage-pasta-best-5761.html) guide for timing.
3. Heavy Cream: You can use full-fat canned coconut milk for a dairy-free twist, though it will add a slight coconut undertone.
4. Cajun Seasoning: Make your own by blending paprika, garlic powder, onion powder, oregano, thyme, cayenne pepper, and black pepper.

I hope this creamy, spicy skillet brings as much warmth to your table as it does to mine. Let me know in the comments if you braved the extra cayenne, and happy cooking!