Name: Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) Recipe
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Louisiana
Ingredients: 150 g Spaghetti; 1 Tbsp Olive Oil; 1 Tbsp Cajun Seasoning; 1 Tsp Garlic (minced); 1 Medium Onion (chopped); 1 Medium Bell Pepper (green & yellow, chopped); 2 Tsp Tomato Paste; 1/3 Tsp Salt; 1/3 Tsp Black Pepper; 1 Tbsp Pasta Water (reserved) or Vegetable Broth/Chicken Broth; Heavy Cream (quantity approx. 100 ml or 1/3 cup); Parmesan Cheese (quantity approx. 30 g or 1/4 cup grated)

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If you’re craving a dish that bursts with bold flavors yet wraps you in a comforting, creamy hug, this Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) is your new go-to. It pairs perfectly al dente pasta with a luscious, fragrant sauce packed with Cajun seasoning, vibrant bell peppers, and a silky creaminess that brings everything together like a heartfelt Louisiana home-cooked meal. Whether it’s a cozy weeknight dinner or a special gathering, this recipe delivers that unbeatable combination of spice, richness, and satisfying textures you’ll want again and again.

Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) Recipe - Recipe Image

Ingredients You’ll Need

Getting ready to whip up this Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) means gathering simple, straightforward ingredients that each play an essential role in building layers of flavor and texture. From the aromatic garlic and onions to the colorful bell peppers and perfectly seasoned Cajun spice, every item ensures your dish sings with authenticity and vibrant tastes.

150 g Spaghetti: The foundation of the dish, cooked al dente to give that perfect bite.
1 Tbsp Olive Oil: For sautéing veggies and creating a smooth base for the sauce.
1 Tbsp Cajun Seasoning: The heart of Louisiana flair, bringing warmth and spice to every mouthful.
1 Tsp Garlic: Adds aromatic depth and a savory kick.
1 Medium Onion (chopped): Sweetness and texture that soften beautifully when cooked.
1 Medium Bell Pepper (green & yellow): Offers color, crunch, and a subtle sweetness to balance the spice.
2 Tsp Tomato Paste: Concentrates flavor and gives the sauce a rich, tangy undertone.
1/3 Tsp Salt: Enhances the natural flavors of all ingredients.
1/3 Tsp Black Pepper: Adds a gentle heat and peppery edge.
1 Tbsp Pasta Water (or Veg Broth/Chicken Broth): Helps deglaze the skillet and keeps the sauce silky and smooth.

How to Make Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta)

Step 1: Cook Spaghetti Al Dente

Start by filling a large pot with water and bringing it to a roaring boil. Stir in a teaspoon of oil along with a pinch of salt to prevent sticking and soften the pasta’s texture. Add 150 grams of spaghetti and cook for about 8 minutes, just until it reaches al dente—firm but tender. Once done, drain the pasta but be sure to reserve half a cup of that starchy pasta water; it’s liquid gold for the sauce’s creaminess. Give the pasta a light rinse and set it aside for the next step.

Step 2: Sauté the Aromatics

Heat a tablespoon of olive oil in a large skillet over medium heat. Toss in the finely minced garlic and chopped onion, letting them cook gently until the onions turn translucent and give off a sweet, inviting aroma. This foundational step sets the tone for the depth and warmth Cajun cuisine is famous for.

Step 3: Add Bell Peppers and Seasonings

Next, introduce the chopped green and yellow bell peppers along with 2 teaspoons of tomato paste. Stir in the tablespoon of Cajun seasoning plus salt and black pepper. The vibrant peppers not only brighten the dish visually but also add a fresh, slightly crunchy element that plays beautifully against the creamy sauce.

Step 4: Deglaze and Create the Creamy Sauce

Pour in the reserved pasta water or if you prefer, vegetable or chicken broth, to deglaze the pan—this step pulls up all the caramelized bits stuck to the skillet, infusing the sauce with rich, concentrated flavor. Lower the heat to very gentle, then carefully mix in heavy cream, stirring constantly to prevent it from curdling. Let the sauce simmer until it thickens into a smooth, luscious consistency that will coat every strand of spaghetti.

Step 5: Toss and Finish with Cheese

Gently add the cooked spaghetti to the skillet, tossing it carefully to ensure each noodle is drenched in that irresistibly creamy Cajun sauce. Sprinkle a generous handful of Parmesan cheese, stirring it through to melt perfectly and add a salty, cheesy depth. Serve immediately, with a little extra grated Parmesan on top for that final flourish.

How to Serve Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta)

Garnishes

To elevate the dish even further, fresh garnishes bring contrast and freshness. Finely chopped parsley adds a pop of color and a hint of herbal brightness while a sprinkle of extra Cajun seasoning on top can punch up the spice for those who love a little heat. Grated Parmesan or a wedge of lemon on the side also work wonders if you want to personalize your plate every time.

Side Dishes

This creamy spaghetti pairs beautifully with traditional Southern-inspired sides. Think crisp green beans cooked with garlic and a squeeze of lemon, or a fresh garden salad drizzled with a tangy vinaigrette to cut through the richness. For heartier meals, creamy garlic mashed potatoes or cornbread are excellent partners that echo the dish’s warm, comforting vibe.

Creative Ways to Present

Take your Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) to the next level by serving it in wide, shallow bowls that show off the vibrant colors of the peppers and sauce. Drizzle a little extra olive oil and scatter some toasted pine nuts or crispy bacon bits on top for an exciting textural crunch. Don’t hesitate to pair it alongside a glass of chilled white wine or a cold beer to balance the creamy spice perfectly.

Make Ahead and Storage

Storing Leftovers

If you find yourself with leftovers from this Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta), store them in an airtight container in the refrigerator. It will keep well for up to 3 days, maintaining much of its creamy texture, although fresh is always best.

Freezing

While freezing is an option, the creamy sauce might separate slightly after thawing. If you do freeze leftovers, place portions in freezer-safe containers and thaw overnight in the fridge before reheating gently on the stovetop, stirring occasionally to bring the sauce back together.

Reheating

Reheat your leftovers slowly on medium-low heat with a splash of milk or cream to restore the sauce’s silky consistency. Stir frequently to avoid sticking and keep the flavors vibrant. Microwaving works but be sure to cover and stir halfway through for even warming.

FAQs

Can I make this dish gluten-free?

Absolutely! Just swap the spaghetti for your favorite gluten-free pasta, and everything else stays the same. The sauce is naturally gluten-free as long as your Cajun seasoning doesn’t contain any hidden wheat.

Is this recipe very spicy?

The Cajun seasoning gives a pleasant, warm kick rather than overwhelming heat. However, you can adjust the amount to suit your spice tolerance, or even add a pinch of cayenne if you want it hotter.

Can I use other types of pasta?

Yes! While spaghetti is traditional, other long pastas like fettuccine or linguine work wonderfully to hold the creamy sauce. Shorter pastas like penne can work too but the experience changes slightly.

What can I use if I don’t have heavy cream?

You can substitute half-and-half or whole milk mixed with a bit of butter, though the sauce will be slightly less rich. Coconut milk can also be a good dairy-free alternative, adding a slight sweetness.

Can I add protein to this dish?

Definitely! Grilled shrimp, blackened chicken, or andouille sausage are popular Louisiana additions that blend beautifully with the Cajun spices and creamy sauce, turning this into a heartier meal.

Final Thoughts

This Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) elegantly balances bold Southern spices with creamy richness to create a dish that’s both comforting and exciting. If you’re ready for your taste buds to embark on a flavorful trip to Louisiana, this recipe is waiting to become a staple in your kitchen. Go ahead, dive in, and savor every bite—you won’t regret it!

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Cajun Spaghetti Recipe (Louisiana-Style Creamy Pasta) Recipe

★★★★★

5.1 from 9 reviews

Author: Julian
Total Time: 25 minutes
Yield: 2 servings 1x
Diet: Vegetarian

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Description

This Cajun Spaghetti recipe delivers a comforting Louisiana-style creamy pasta dish packed with bold flavors. Combining perfectly cooked al dente spaghetti with a rich, spicy, and creamy sauce made from Cajun seasoning, garlic, onion, bell peppers, and tomato paste, this dish is finished with parmesan for a deliciously indulgent meal that’s perfect for any pasta lover craving a taste of Cajun cuisine.

Instructions

Cook Spaghetti Al Dente: Fill a large pot with water and bring it to a boil. Add 1 teaspoon of oil and a pinch of salt to the boiling water. Toss in 150g of spaghetti and cook for approximately 8 minutes until al dente.
Drain and Rinse Pasta: Drain the spaghetti while reserving ½ cup of the pasta water. Lightly rinse the pasta under warm water, then set aside.
Prepare the Sauce Base: Heat 1 tablespoon of olive oil in a skillet over medium heat. Add 1 teaspoon of minced garlic and 1 chopped medium onion, sautéing until the onion becomes translucent and fragrant.
Add Vegetables and Seasoning: Incorporate 1 medium chopped bell pepper (green and yellow), 2 teaspoons of tomato paste, 1 tablespoon of Cajun seasoning, salt, and black pepper. Stir well to combine all ingredients.
Deglaze the Skillet: Pour in the reserved pasta water or your choice of vegetable or chicken broth to lift the flavors from the bottom of the skillet. Stir well.
Add Cream and Thicken Sauce: Reduce heat to low, then gently stir in heavy cream to prevent curdling. Allow the sauce to simmer gently until it thickens to a smooth, creamy consistency.
Combine Pasta and Sauce: Add the cooked spaghetti back into the skillet. Gently toss the pasta in the sauce to ensure every strand is well-coated with the creamy Cajun mixture.
Add Parmesan Cheese: Sprinkle grated parmesan cheese over the pasta and stir it through until melted and fully incorporated, enriching the flavors.
Serve: Plate the creamy Cajun spaghetti, optionally topping with extra parmesan cheese. Serve hot and enjoy this flavorful Louisiana-style dish.

Notes

Use fresh garlic and quality Cajun seasoning to maximize flavor.
Reserved pasta water is important to help create a cohesive sauce and adjust thickness.
Heavy cream is key for the creamy texture; do not skip or substitute with low-fat options to maintain richness.
For vegetarian variation, use vegetable broth instead of chicken broth.
Adjust Cajun seasoning according to your spice tolerance.
Serve immediately for best texture and flavor.

Prep Time: 10 minutes
Cook Time: 15 minutes
Category: Main Course
Method: Boiling, Sautéing
Cuisine: Louisiana, Cajun