I can never resist a bowl of Creamy Cajun Shrimp Pasta loaded with juicy shrimp, silky sauce, and just the right kick of spice. This is the kind of pasta that makes everyone reach for seconds before the pan is even empty.

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I’m obsessed with this Creamy Cajun Shrimp Pasta because it hits that spicy, saucy, messy-in-the-best-way craving without acting fancy. I love how the shrimp stays juicy under all that bold Cajun seasoning, and the sauce clings to every twist like it knows exactly what I came for.

But the real pull is the balance: smoky heat, rich creaminess, a little bite, a little swagger. And yes, I absolutely go back for “just one more” forkful until the bowl is scraped clean.

Weeknight dinner, date-night plate, midnight leftovers. Whatever.

I’m fully in every single time with this one. No regrets, ever.

Ingredients

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Fettuccine or linguine gives you that twirly, cozy pasta bite everyone loves.
Shrimp brings the protein, cooks fast, and feels a little fancy.
Cajun seasoning adds smoky heat, so the sauce doesn’t taste boring.
Olive oil helps the shrimp sear nicely without getting too heavy.
Butter makes everything richer.
Basically, it’s the comfort part.
Garlic adds that bold smell that makes people wander into the kitchen.
Onion gives the sauce a sweet, savory base without showing off.
Red bell pepper adds color, crunch, and a little natural sweetness.
Chicken broth loosens the sauce and adds more savory flavor.
Heavy cream makes it creamy, smooth, and totally restaurant-ish.
Tomatoes cut the richness with a bright, slightly tangy bite.
Parmesan melts in salty and nutty, like it belongs there.
Lemon juice wakes everything up.
Plus, it helps balance the cream.
Red pepper flakes bring extra kick if you’re into spicy pasta.
Parsley adds freshness, color, and makes the bowl look finished.

Ingredient Quantities

12 ounces fettuccine or linguine

1 pound large shrimp, peeled and deveined

2 tablespoons Cajun seasoning, divided

1 tablespoon olive oil

2 tablespoons unsalted butter

3 cloves garlic, minced

1 small yellow onion, finely diced

1 medium red bell pepper, thinly sliced

1/2 cup chicken broth

1 cup heavy cream

1/2 cup crushed tomatoes or diced tomatoes, drained

1/2 cup freshly grated Parmesan cheese

1 tablespoon fresh lemon juice

1/4 teaspoon crushed red pepper flakes (optional for extra heat)

Salt, to taste

Freshly ground black pepper, to taste

2 tablespoons chopped fresh parsley for garnish

How to Make this

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1. Bring a large pot of salted water to a boil and cook fettuccine or linguine according to package directions until al dente; reserve 1 cup pasta water, then drain pasta.

2. Pat shrimp dry and toss with 1 tablespoon Cajun seasoning and a pinch of salt and pepper.

3. Heat olive oil in a large skillet over medium-high heat; add shrimp in a single layer and cook 1 to 2 minutes per side until opaque and lightly charred; transfer shrimp to a plate and set aside.

4. Reduce heat to medium and add butter to the same skillet; once melted, add minced garlic and diced onion and sauté until fragrant and translucent, about 2 to 3 minutes.

5. Add sliced red bell pepper and cook 2 minutes until slightly softened, then stir in the remaining 1 tablespoon Cajun seasoning and crushed red pepper flakes if using.

6. Pour in chicken broth and crushed or drained diced tomatoes, scraping up any browned bits from the pan; simmer 2 to 3 minutes to reduce slightly.

7. Stir in heavy cream, grated Parmesan, and lemon juice; simmer gently until the sauce thickens to coat the back of a spoon, about 3 to 4 minutes; season with salt and freshly ground black pepper to taste.

8. Return shrimp to the skillet and add drained pasta, tossing to coat; if the sauce is too thick, loosen with reserved pasta water a few tablespoons at a time until desired consistency is reached.

9. Cook together 1 more minute to heat through and meld flavors, then remove from heat.

10. Serve immediately garnished with chopped fresh parsley and additional Parmesan if desired.

Equipment Needed

1. Large pot for boiling pasta
2. Colander or pasta strainer
3. Large skillet or sauté pan
4. Cutting board
5. Chef s knife
6. Tongs or pasta fork
7. Measuring cups and spoons
8. Small bowl for seasoning shrimp
9. Wooden spoon or heatproof spatula

FAQ

Can I use frozen shrimp instead of fresh? Yes, thaw completely and pat dry before seasoning and cooking to avoid excess moisture and ensure proper sear.

How can I make the dish less spicy? Reduce Cajun seasoning to 1 tablespoon total and omit the crushed red pepper flakes. Add a little more cream or Parmesan to mellow the heat.

What can I substitute for heavy cream? Use half-and-half plus a tablespoon of butter for richness, or 3/4 cup half-and-half plus 1/4 cup full-fat Greek yogurt stirred in off heat to prevent curdling.

Can I make this ahead of time? The sauce and shrimp are best fresh. You can cook components separately and refrigerate up to 24 hours, then gently reheat and combine with freshly cooked pasta, adding reserved pasta water to revive the sauce.

How do I prevent the sauce from splitting? Simmer gently and avoid high heat after adding cream and cheese. If the sauce looks thin, reduce slightly. If it begins to separate, whisk in a small splash of warm pasta water to bring it back together.

Can I add vegetables or swap protein? Yes. Sliced mushrooms, spinach, or zucchini work well. For protein swaps use scallops or chicken breasts cooked and sliced, adjusting cooking times accordingly.

Creamy Cajun Shrimp Pasta Recipe Substitutions and Variations

Shrimp: large scallops; thinly sliced boneless chicken breast or thigh (cook until just done); firm tofu or tempeh for a vegetarian option; hearty mushrooms such as cremini or king oyster.
Fettuccine or linguine: penne, rigatoni, or any short pasta for easier tossing; whole wheat or chickpea pasta for more fiber and protein; gluten free pasta (rice or corn based); spiralized zucchini or sweet potato for a low carb option.
Heavy cream: half and half stirred with 2 tablespoons melted butter per cup for similar richness; full fat coconut milk or coconut cream for dairy free; evaporated milk for a lighter option; Greek yogurt thinned with a little milk (stir in off heat to avoid curdling).
Freshly grated Parmesan: Pecorino Romano or Grana Padano for a similar salty, nutty flavor; Asiago for a sharper note; nutritional yeast for a vegan substitute; omit and increase cheese in the sauce if you prefer less salt.

Pro Tips

1. Pat the shrimp bone dry and season them right before they hit the pan. That helps them get a quick, flavorful sear instead of steaming, and keeps their texture snappy.

2. Watch shrimp closely while cooking; they go from tender to rubbery in a minute or two. Pull them off the heat as soon as they turn opaque and curl slightly, then finish cooking with the pasta in the sauce for perfect doneness.

3. Use the pan fond. After searing the shrimp, add the broth or tomatoes to the hot skillet and scrape up the browned bits on the bottom. Those little bits are pure flavor and will deepen the sauce without extra seasoning.

4. Adjust sauce texture with reserved pasta water and acid. Add a few tablespoons of starchy pasta water to loosen the sauce if it gets too thick, and brighten everything at the end with the lemon juice and fresh parsley so the dish feels light instead of heavy.

Creamy Cajun Shrimp Pasta Recipe

Recipe by Sarah level

0.0 from 0 votes

Servings

servings

Calories

786

kcal

Equipment: 1. Large pot for boiling pasta
2. Colander or pasta strainer
3. Large skillet or sauté pan
4. Cutting board
5. Chef s knife
6. Tongs or pasta fork
7. Measuring cups and spoons
8. Small bowl for seasoning shrimp
9. Wooden spoon or heatproof spatula

Ingredients

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

Directions

Bring a large pot of salted water to a boil and cook fettuccine or linguine according to package directions until al dente; reserve 1 cup pasta water, then drain pasta.
Pat shrimp dry and toss with 1 tablespoon Cajun seasoning and a pinch of salt and pepper.
Heat olive oil in a large skillet over medium-high heat; add shrimp in a single layer and cook 1 to 2 minutes per side until opaque and lightly charred; transfer shrimp to a plate and set aside.
Reduce heat to medium and add butter to the same skillet; once melted, add minced garlic and diced onion and sauté until fragrant and translucent, about 2 to 3 minutes.
Add sliced red bell pepper and cook 2 minutes until slightly softened, then stir in the remaining 1 tablespoon Cajun seasoning and crushed red pepper flakes if using.
Pour in chicken broth and crushed or drained diced tomatoes, scraping up any browned bits from the pan; simmer 2 to 3 minutes to reduce slightly.
Stir in heavy cream, grated Parmesan, and lemon juice; simmer gently until the sauce thickens to coat the back of a spoon, about 3 to 4 minutes; season with salt and freshly ground black pepper to taste.
Return shrimp to the skillet and add drained pasta, tossing to coat; if the sauce is too thick, loosen with reserved pasta water a few tablespoons at a time until desired consistency is reached.
Cook together 1 more minute to heat through and meld flavors, then remove from heat.
Serve immediately garnished with chopped fresh parsley and additional Parmesan if desired.

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.