Creamy Cajun Shrimp Pasta

Featured in: Easy Weeknight Wins

This Creamy Cajun Shrimp Pasta combines succulent shrimp with a rich, spicy cream sauce infused with bold Cajun seasonings. Tender fettuccine is tossed with sautéed bell peppers, onions, and garlic, then coated in a luscious Parmesan cream sauce. Ready in just 30 minutes, this pescatarian-friendly main dish delivers restaurant-quality flavor with minimal effort, perfect for weeknight dinners or entertaining guests.

Updated on Thu, 15 Jan 2026 16:10:00 GMT
Creamy Cajun Shrimp Pasta features al dente fettuccine tossed with seared shrimp in a rich, spicy cream sauce with red bell peppers.  Save
Creamy Cajun Shrimp Pasta features al dente fettuccine tossed with seared shrimp in a rich, spicy cream sauce with red bell peppers. | tastyeffect.com

The aroma of sizzling Cajun spices hitting the hot skillet takes me straight back to my first apartment after college. I had invited friends over without any grand cooking plans when I discovered shrimp on sale at the market. With a random bottle of Cajun seasoning found in the cabinet and some cream in the fridge, this pasta was born from beautiful necessity. The kitchen filled with that distinctive peppery scent as everyone gathered around, suddenly very interested in what was happening at the stove.

I’ve been getting a lot of questions about the pot I use for cozy one-pot meals and small-batch recipes, so I wanted to quickly share it here.

Martha Stewart Heart Shaped Cast Iron Dutch Oven

This is the Martha Stewart heart-shaped enameled cast iron Dutch oven (2-quart). It’s one of those pieces I reach for constantly when testing soups, stews, baked casseroles, and smaller comfort-food recipes.

  • Heats evenly with no hot spots (huge for slow cooking)
  • Non-reactive enamel interior — no seasoning required
  • Perfect size for small households or side dishes
  • Sturdy handles, easy to move from oven to table

It’s also a favorite with home cooks — 4.6 out of 5 stars from over 1,900 reviews — and Amazon often has a coupon available, depending on color and size.

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Last summer, my cousin visited from Louisiana and watched over my shoulder as I prepared this pasta. She raised an eyebrow at my store-bought Cajun seasoning but ended up asking for seconds and then thirds. When she requested the recipe to take back home, I knew Id created something that bridged our different cooking backgrounds. We sat on the porch with our bowls as the sun set, trading stories about the different ways our families approached seafood.

Ingredients

  • Large shrimp: The star of the show deserves proper treatment - buy them shell-on if possible and peel yourself for better flavor, and always pat them completely dry before cooking to get that beautiful sear.
  • Fettuccine or linguine: The flat, wide surface of these pasta shapes catches the creamy sauce in all the right ways, though I once made this with rigatoni in a pinch and discovered the tubes captured delightful pockets of sauce.
  • Cajun seasoning: Each blend has its own personality, so start conservatively and add more to taste - mine tends to get spicier as it ages on my shelf.
  • Heavy cream: This creates the silky backbone of the sauce, and Ive learned not to substitute with lighter options as they can separate when they hit the hot skillet and spices.
  • Parmesan cheese: Please grate it yourself if possible - pre-packaged versions contain anti-caking agents that can make the sauce grainy instead of silky.

Instructions

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Prepare pasta with care:
Cook the fettuccine in generously salted water until its just barely al dente. The pasta will continue cooking slightly when added to the sauce, so pull it a minute earlier than you normally would.
Season those shrimp:
Pat the shrimp absolutely dry with paper towels before tossing with Cajun seasoning. Listen for that satisfying sizzle when they hit the hot oil - thats how you know youll get that perfect exterior.
Create the flavor base:
After removing the shrimp, the magic happens as the vegetables hit that same pan, picking up all those browned bits. Watch how the onions and bell peppers soften and sweeten as they release their moisture.
Build your sauce:
When you pour in the broth, use a wooden spoon to scrape up every bit of flavor from the bottom of the pan. The sauce should bubble gently as it reduces, filling your kitchen with its aromatic promise.
Bring it all together:
The moment you add the pasta to the sauce is where timing matters most. Toss continuously to coat each strand, adding splashes of the reserved pasta water if things look too thick.
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A close-up of Creamy Cajun Shrimp Pasta showcases sautéed shrimp and peppers coated in a glossy, Parmesan-laced sauce over pasta.  Save
A close-up of Creamy Cajun Shrimp Pasta showcases sautéed shrimp and peppers coated in a glossy, Parmesan-laced sauce over pasta. | tastyeffect.com

One particularly memorable evening, I made this for a gathering where two guests had just announced their engagement. As we all twirled forkfuls of this spicy, creamy pasta, they shared their proposal story, and somehow, this dish became part of their narrative. Years later, they still request my Cajun shrimp pasta on their anniversary, saying the warming spices remind them of that night when everyone celebrated their news.

Finding Your Perfect Spice Level

Ive discovered that Cajun seasonings vary dramatically between brands and even batches. I once made this dish for my in-laws using a new container of seasoning and accidentally turned dinner into a five-alarm fire situation. Now I always taste a tiny bit of any Cajun blend on my fingertip first to gauge its heat before committing to the full amount. Remember that the cream will temper the spice somewhat, but its always easier to add heat than to try removing it.

Making It Ahead

While this pasta is quickest when made fresh, Ive learned some tricks for dinner parties where I dont want to be stuck at the stove. You can prep all vegetables earlier in the day and even cook the shrimp halfway through, then finish everything just before serving. The sauce actually develops more depth when it has time to sit, though youll need to add a splash more cream or pasta water when reheating to bring back its silky texture.

Serving Suggestions

Over numerous dinner parties, Ive experimented with different accompaniments for this bold pasta. A simple green salad with a light lemon vinaigrette provides the perfect counterpoint to the rich, spicy main dish, cleaning the palate between bites.

  • Warm, crusty bread is essential for sopping up every last bit of the precious sauce - I prefer a rustic sourdough or French baguette.
  • For wine pairings, a slightly sweet Riesling or unoaked Chardonnay balances the heat beautifully, while beer lovers will find a wheat beer or light lager complements without overwhelming.
  • If serving for a special occasion, consider starting with a light appetizer like chilled shrimp cocktail to create a seafood theme that doesnt compete with the bold flavors to come.
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Serve Creamy Cajun Shrimp Pasta hot from the skillet, garnished with fresh parsley and lemon wedges for a bright finish. Save
Serve Creamy Cajun Shrimp Pasta hot from the skillet, garnished with fresh parsley and lemon wedges for a bright finish. | tastyeffect.com

This Cajun shrimp pasta has taught me that sometimes the most satisfying recipes come from improvisation and necessity rather than careful planning. May it bring to your table what its brought to mine - good conversations, memorable meals, and the simple joy of watching people you care about reach for seconds.

Recipe FAQ

Can I use a different type of pasta?

Yes, any long pasta like linguine, spaghetti, or penne works well. Just cook according to package directions and adjust sauce consistency with reserved pasta water as needed.

How do I know when the shrimp are cooked?

Shrimp are fully cooked when they turn pink and opaque, forming a C-shape. This typically takes 1-2 minutes per side. Avoid overcooking as they can become rubbery.

Can I make this dish less spicy?

Absolutely. Reduce the Cajun seasoning to 1 tablespoon or use a mild blend. You can also add more cream to mellow the heat while maintaining the creamy texture.

What can I substitute for heavy cream?

Half-and-half or a mixture of milk and cream cheese works well. For dairy-free options, use coconut cream or cashew cream, though the flavor will be slightly different.

How should I store leftovers?

Store in an airtight container in the refrigerator for up to 2 days. Reheat gently on the stovetop with a splash of cream or broth to revive the sauce consistency.

Can I add more vegetables?

Yes, cherry tomatoes, spinach, mushrooms, or zucchini are excellent additions. Add heartier vegetables with the bell peppers and leafy greens at the end to wilt.

Creamy Cajun Shrimp Pasta

Succulent shrimp in spicy Cajun cream sauce with pasta, ready in 30 minutes for a bold, comforting dinner.

Prep duration
10 min
Cook duration
20 min
Complete duration
30 min
Created by Laura Bennett


Skill level Easy

Heritage American Cajun

Output 4 Portions

Dietary requirements None specified

Components

Protein

01 1 lb large shrimp, peeled and deveined

Pasta

01 12 oz fettuccine or linguine

Vegetables

01 1 small yellow onion, finely chopped
02 3 cloves garlic, minced
03 1 red bell pepper, sliced

Sauce & Seasonings

01 1 ½ tablespoons Cajun seasoning
02 1 cup heavy cream
03 ½ cup low-sodium chicken broth
04 ½ cup grated Parmesan cheese
05 2 tablespoons unsalted butter
06 2 tablespoons olive oil
07 Salt and black pepper, to taste

Garnish

01 2 tablespoons fresh parsley, chopped
02 Lemon wedges, for serving

Directions

Phase 01

Prepare the Pasta: Cook pasta in a large pot of salted boiling water according to package directions until al dente. Drain and set aside, reserving ½ cup of pasta water.

Phase 02

Season the Shrimp: Pat shrimp dry with paper towels. Toss shrimp with 1 tablespoon Cajun seasoning and a pinch of salt until evenly coated.

Phase 03

Sear the Shrimp: In a large skillet over medium-high heat, add 1 tablespoon olive oil and 1 tablespoon butter. Sear shrimp for 1–2 minutes per side until pink and just cooked through. Remove shrimp to a plate.

Phase 04

Sauté Vegetables: In the same skillet, add remaining olive oil and butter. Sauté onion and bell pepper for 3–4 minutes until softened. Add garlic and cook for 30 seconds until fragrant.

Phase 05

Build the Sauce Base: Stir in remaining Cajun seasoning. Pour in chicken broth and scrape up any browned bits from the bottom of the skillet.

Phase 06

Create Cream Sauce: Add heavy cream and Parmesan cheese. Simmer for 2–3 minutes, stirring constantly, until sauce thickens and coats the back of a spoon.

Phase 07

Combine and Serve: Return shrimp and cooked pasta to the skillet. Toss to coat evenly in sauce, adding reserved pasta water as needed for desired consistency. Season with salt and pepper to taste. Remove from heat and sprinkle with chopped parsley. Serve immediately with lemon wedges.

Necessary tools

  • Large pot
  • Large skillet
  • Colander
  • Chef's knife
  • Cutting board
  • Measuring cups and spoons

Allergy details

Review each component for potential allergens and seek professional healthcare advice if uncertain.
  • Contains shellfish (shrimp), dairy (cream, butter, Parmesan), and wheat (pasta). For allergies, use dairy-free cream and cheese alternatives plus gluten-free pasta as needed. Always check ingredient labels.

Nutritional information (per portion)

These values are approximate guides only and shouldn't replace professional medical consultation.
  • Energy: 615
  • Fats: 28 g
  • Carbohydrates: 56 g
  • Proteins: 35 g