
This Cajun Shrimp Pasta is creamy, spicy, and packed with plump seasoned shrimp tossed in a rich sauce that clings to every strand of pasta. It comes together in just 30 minutes and tastes like something straight from a New Orleans kitchen.

If you have ever sat down at a Southern restaurant and ordered a bowl of creamy, spicy, perfectly seasoned shrimp pasta and thought I wish I could make this at home, today is your day. This Cajun Shrimp Pasta is everything you want in a weeknight dinner: bold, smoky heat from a generous hand of Cajun seasoning, plump juicy shrimp, a sauce so silky it coats every single strand of pasta, and a total cook time that clocks in under 30 minutes.
This is the kind of recipe that feels like a restaurant splurge but costs a fraction of the price and honestly tastes even better because you made it yourself.
There are a lot of Cajun shrimp pasta recipes floating around out there, from slow cooker versions like Cajun Shrimp Pasta Crockpot recipes to quick skillet dinners. After testing several variations, this stovetop skillet method wins every time for a few key reasons:
The result is the best Cajun shrimp pasta you can make at home, full stop.
The right tools genuinely make a difference when you are working fast over high heat. A heavy-bottomed skillet that holds heat evenly is essential for getting a proper sear on the shrimp, and a good microplane makes freshly grating Parmesan effortless rather than a chore.
You do not need anything exotic to pull this off. Here is what to keep in mind as you shop:
Shrimp: Use large or extra-large shrimp, peeled and deveined. Fresh or frozen both work great. If using frozen, thaw them overnight in the fridge or run them under cold water for 10 minutes. Pat them completely dry before seasoning so they sear rather than steam.
Cajun Seasoning: Store-bought blends are perfectly fine here. Look for one without added salt if you want more control over the final seasoning. Tony Chachere's and Slap Ya Mama are both beloved classics in Southern kitchens.
Pasta: Penne is the go-to for Cajun shrimp pasta penne dishes because the tubes scoop up the sauce, but this recipe is just as stunning with fettuccine, rigatoni, or even linguine.
Heavy Cream: This is what makes the sauce rich and cling-worthy. For a lighter take on healthy Cajun shrimp pasta, half-and-half works but the sauce will be a bit thinner.
Chef's Tip: If you want to add even more protein and depth, stir in a handful of sliced andouille sausage when you saute the onions. It gives the dish a smoky, meaty backbone that turns this easy Cajun shrimp pasta into a true crowd-pleaser. Think of it as the Cajun salmon and shrimp pasta world, just meatier and a little more indulgent.
At 2 tablespoons of Cajun seasoning, this dish has a warm, noticeable kick without being face-melting. If you are cooking for kids or spice-sensitive guests, start with 1 tablespoon and taste as you go. On the other end, if you are a true heat lover, add a pinch of cayenne to the sauce for an extra punch.
The cream in the sauce naturally tames some of the heat, so do not be afraid to season boldly. That is the spirit of Cajun cooking.
A few small habits make this recipe completely foolproof:
Ready to cook? Here is the full step-by-step recipe card:

This Cajun Shrimp Pasta is creamy, spicy, and packed with plump seasoned shrimp tossed in a rich sauce that clings to every strand of pasta. It comes together in just 30 minutes and tastes like something straight from a New Orleans kitchen.
Bring a large pot of salted water to a boil. Cook the penne pasta according to package directions until al dente. Reserve 0.5 cup of pasta water before draining.
Pat the shrimp dry with paper towels, then toss them with 1 tablespoon of Cajun seasoning until evenly coated.
Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Add the shrimp in a single layer and cook for 1 to 2 minutes per side until pink and just cooked through. Transfer to a plate and set aside.
In the same skillet, reduce heat to medium and add the remaining olive oil and the butter. Once the butter melts, add the diced onion and sliced bell pepper. Saute for 4 to 5 minutes until softened.
Add the minced garlic and cook for 30 seconds, stirring constantly, until fragrant.
Sprinkle in the remaining 1 tablespoon of Cajun seasoning and stir to coat the vegetables.
Pour in the chicken broth and use a wooden spoon to scrape up any browned bits from the bottom of the pan. Add the drained diced tomatoes and stir to combine.
Reduce heat to medium-low and pour in the heavy cream. Simmer gently for 3 to 4 minutes, stirring occasionally, until the sauce thickens slightly.
Stir in the Parmesan cheese until melted and smooth. If the sauce feels too thick, add a splash of reserved pasta water to loosen it.
Add the drained pasta to the skillet and toss well to coat every piece in the sauce.
Return the cooked shrimp to the skillet and gently fold them into the pasta. Cook for 1 minute just to warm through.
Taste and adjust seasoning with salt, black pepper, or more Cajun seasoning as desired. Serve immediately topped with fresh parsley and extra Parmesan.
Serve this pasta straight from the skillet while the sauce is glossy and the shrimp are warm. A sprinkle of fresh parsley and an extra flurry of Parmesan right before it hits the table makes the whole dish look as good as it tastes.
For leftovers, store in an airtight container in the refrigerator for up to 3 days. Reheat gently in a skillet with a splash of cream or broth stirred in. Avoid the microwave on high power if you can since low and slow keeps the shrimp tender.
This recipe is also a great candidate for meal prep. Make the sauce ahead, cook the pasta fresh, and combine them the night you are ready to eat for a dinner that feels completely fresh with almost no effort.
Whether you are making this as an easy Cajun shrimp pasta for a Tuesday night or scaling it up for a dinner party, it delivers every single time.