I can never resist a bowl of creamy Cajun shrimp pasta loaded with juicy shrimp, silky sauce, and just the right kick. This one looks and feels like a restaurant favorite, but it belongs right on my weeknight table.

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I’m obsessed with this Creamy Cajun Shrimp Pasta because it hits hard without trying too hard. The shrimp are juicy, the sauce is rich and spicy, and every strand of fettuccine gets coated in that creamy Cajun goodness I keep craving.

But what really gets me is the balance: bold seasoning, silky sauce, and just enough kick to make each bite interesting. No boring pasta here.

And honestly, I love that it feels special enough for a dinner I planned, but easy enough for a night when I’m tired and hungry. Big flavor.

Zero drama. Save this one right now.

Ingredients

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Fettuccine or linguine gives you that twirly, saucy bite everyone secretly wants.
Shrimp keeps it protein-packed, quick-cooking, and a little fancy without trying too hard.
Cajun seasoning brings the smoky heat, so the pasta doesn’t taste flat.
Olive oil helps the shrimp sear nicely instead of sticking and sulking.
Butter adds richness, because creamy pasta should feel a little indulgent.
Garlic makes the whole kitchen smell like dinner’s already winning.
Onion adds a sweet, savory base that quietly does a lot.
Red bell pepper gives color, crunch, and a tiny fresh pop.
Heavy cream makes the sauce silky, cozy, and honestly kind of addictive.
Chicken broth thins things out so it’s creamy, not gluey.
Parmesan adds salty, nutty depth and helps the sauce cling.
Plus, lemon juice cuts the richness so each bite feels brighter.
Basically, parsley makes it look fresh and taste less heavy.
Red pepper flakes add extra kick if you like a little drama.
Salt and black pepper pull everything together like the final tiny adjustment.

Ingredient Quantities

12 ounces fettuccine or linguine

1 pound large shrimp, peeled and deveined

2 tablespoons Cajun seasoning

1 tablespoon olive oil

2 tablespoons unsalted butter

3 cloves garlic, minced

1 small yellow onion, finely chopped

1 small red bell pepper, thinly sliced (optional)

1 1/2 cups heavy cream

1/2 cup low sodium chicken broth

3/4 cup freshly grated Parmesan cheese

1 tablespoon fresh lemon juice

2 tablespoons chopped fresh parsley

1/4 teaspoon crushed red pepper flakes (optional)

Salt and freshly ground black pepper, to taste

How to Make this

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1. Cook fettuccine or linguine according to package directions until al dente; reserve 1/2 cup pasta cooking water and drain pasta.

2. Pat shrimp dry and toss with 2 tablespoons Cajun seasoning, salt and pepper to taste.

3. In a large skillet over medium-high heat, heat 1 tablespoon olive oil and 1 tablespoon butter; cook shrimp 1 to 2 minutes per side until pink and just cooked through, then transfer shrimp to a plate.

4. Add remaining 1 tablespoon butter to the skillet; reduce heat to medium and sauté minced garlic and chopped onion until fragrant and translucent, about 2 to 3 minutes.

5. Add sliced red bell pepper if using and cook 2 minutes until slightly softened.

6. Pour in 1 1/2 cups heavy cream and 1/2 cup low sodium chicken broth; bring to a gentle simmer and stir to combine with the vegetables.

7. Stir in 3/4 cup freshly grated Parmesan until melted and smooth; add 1 tablespoon fresh lemon juice and 1/4 teaspoon crushed red pepper flakes if using; season with salt and freshly ground black pepper to taste.

8. Return cooked shrimp to the sauce and simmer 1 to 2 minutes to warm through and let flavors meld.

9. Add drained pasta to the skillet and toss to coat; if the sauce is too thick, add reserved pasta water a tablespoon at a time until desired consistency is reached.

10. Finish with 2 tablespoons chopped fresh parsley, adjust seasoning, then serve immediately.

Equipment Needed

1. Large pot for boiling pasta
2. Colander or pasta strainer
3. Large skillet or frying pan
4. Chef knife and cutting board
5. Measuring cups and measuring spoons
6. Tongs or pasta fork
7. Wooden spoon or silicone spatula
8. Box grater or microplane for fresh Parmesan

FAQ

Can I use frozen shrimp? Yes. Thaw completely, pat dry, then season and cook as directed to avoid excess water in the sauce.

How can I make the dish less spicy? Reduce or omit the Cajun seasoning and crushed red pepper flakes, and add a bit more cream or Parmesan to mellow the heat.

What can I substitute for heavy cream? Use half and half for a lighter sauce or combine 3/4 cup milk with 3/4 cup cream cheese for creaminess; expect a slightly thinner or tangier sauce.

Can I prepare this ahead of time? You can cook the pasta and shrimp separately a day ahead, store them chilled, and reheat gently while making the sauce. Add pasta and shrimp to the sauce just before serving to keep textures fresh.

How should I reheat leftovers? Reheat gently on the stovetop over low heat with a splash of chicken broth or cream to loosen the sauce, stirring until warmed through.

Is there a gluten free option? Yes. Use gluten free pasta and confirm your Cajun seasoning and chicken broth are gluten free. Cooking times for pasta may vary.

Creamy Cajun Shrimp Pasta Recipe Substitutions and Variations

Fettuccine or linguine: penne, rigatoni, or spaghetti for similar texture and sauce cling
Large shrimp: sea scallops, bay scallops, or cubed boneless skinless chicken breast for protein swap
Heavy cream: half and half plus 2 tablespoons melted butter per cup, or full fat coconut milk for a dairy free option
Freshly grated Parmesan: Pecorino Romano, Asiago, or 3/4 cup finely grated Parmesan-style vegetarian cheese

Pro Tips

1. Pat the shrimp bone-dry and let them sit at room temperature for 10 minutes before cooking so they sear quickly and stay juicy rather than steaming.

2. Use freshly grated Parmesan only; pre-grated cheese contains anti-caking agents that can make the sauce grainy. Add it off the heat or on very low heat so it melts smoothly.

3. Keep the sauce slightly underdone before adding the pasta. It will thicken as it sits and when tossed with hot noodles, and you can always thin it with small splashes of the reserved pasta water to get the perfect silky texture.

4. Cook shrimp just until opaque and pink, then remove them temporarily. They finish warming in the sauce and will stay tender instead of getting rubbery if you overcook them in the pan.

5. Brighten and balance the richness at the end with the lemon juice and a handful of fresh parsley. If the sauce feels too heavy, a little extra acid or a pinch of salt will make the flavors pop.

Creamy Cajun Shrimp Pasta Recipe

Recipe by Sarah level

0.0 from 0 votes

Servings

servings

Calories

910

kcal

Equipment: 1. Large pot for boiling pasta
2. Colander or pasta strainer
3. Large skillet or frying pan
4. Chef knife and cutting board
5. Measuring cups and measuring spoons
6. Tongs or pasta fork
7. Wooden spoon or silicone spatula
8. Box grater or microplane for fresh Parmesan

Ingredients

12 ounces fettuccine or linguine
1 pound large shrimp, peeled and deveined
2 tablespoons Cajun seasoning
1 tablespoon olive oil
2 tablespoons unsalted butter
3 cloves garlic, minced
1 small yellow onion, finely chopped
1 small red bell pepper, thinly sliced (optional)
1 1/2 cups heavy cream
1/2 cup low sodium chicken broth
3/4 cup freshly grated Parmesan cheese
1 tablespoon fresh lemon juice
2 tablespoons chopped fresh parsley
1/4 teaspoon crushed red pepper flakes (optional)
Salt and freshly ground black pepper, to taste

Directions

Cook fettuccine or linguine according to package directions until al dente; reserve 1/2 cup pasta cooking water and drain pasta.
Pat shrimp dry and toss with 2 tablespoons Cajun seasoning, salt and pepper to taste.
In a large skillet over medium-high heat, heat 1 tablespoon olive oil and 1 tablespoon butter; cook shrimp 1 to 2 minutes per side until pink and just cooked through, then transfer shrimp to a plate.
Add remaining 1 tablespoon butter to the skillet; reduce heat to medium and sauté minced garlic and chopped onion until fragrant and translucent, about 2 to 3 minutes.
Add sliced red bell pepper if using and cook 2 minutes until slightly softened.
Pour in 1 1/2 cups heavy cream and 1/2 cup low sodium chicken broth; bring to a gentle simmer and stir to combine with the vegetables.
Stir in 3/4 cup freshly grated Parmesan until melted and smooth; add 1 tablespoon fresh lemon juice and 1/4 teaspoon crushed red pepper flakes if using; season with salt and freshly ground black pepper to taste.
Return cooked shrimp to the sauce and simmer 1 to 2 minutes to warm through and let flavors meld.
Add drained pasta to the skillet and toss to coat; if the sauce is too thick, add reserved pasta water a tablespoon at a time until desired consistency is reached.
Finish with 2 tablespoons chopped fresh parsley, adjust seasoning, then serve immediately.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.