Creamy Cajun Pasta with Roasted Peppers

Featured in: One-Pot Comfort Meals

This creamy Cajun pasta combines tender penne or fettuccine with a luxurious sauce featuring heavy cream, smoked paprika, and authentic Cajun spices. Sweet roasted bell peppers and caramelized onions add depth and natural sweetness, while fresh garlic enhances the aromatic profile. The sauce simmers gently to thicken, then brings everything together in a satisfying, restaurant-quality dish.

Perfect for weeknight dinners or entertaining, this vegetarian-friendly main accommodates optional chicken or shrimp. The balance of heat from Cajun seasoning against the creamy, savory sauce creates a comforting meal that's elegant yet simple to execute.

Updated on Sun, 18 Jan 2026 12:24:00 GMT
Creamy Cajun pasta with roasted red bell peppers, tossed in a rich, smoky sauce and garnished with fresh parsley.  Save
Creamy Cajun pasta with roasted red bell peppers, tossed in a rich, smoky sauce and garnished with fresh parsley. | fireandbites.com

My neighbor knocked on my door one evening holding a jar of homemade Cajun spice blend, insisting I try it in something creamy. I had pasta in the pantry and a lonely bell pepper in the crisper, so I roasted it over the stove flame until the skin blistered and peeled away like paper. What came together in that skillet was smoky, rich, and so good I scraped the pan clean with bread. That night taught me that bold spice and silky cream aren't opposites, they're partners.

I made this for a dinner party once, and my friend who claims she hates spicy food went back for seconds. She said the creaminess made the heat feel warm instead of sharp, like sitting near a fire instead of touching it. Since then, it's become my go-to when I want to impress someone without spending the whole day in the kitchen. The smell of smoked paprika hitting hot oil always makes people wander into the kitchen asking what's cooking.

Ingredients

  • Penne or fettuccine: Penne catches the sauce in its tubes, while fettuccine wraps it around each strand, so pick based on your mood.
  • Red bell peppers: Roasting them transforms their flavor from crisp and grassy to sweet and smoky, which balances the spice beautifully.
  • Yellow onion: Its mild sweetness melts into the sauce and builds the flavor foundation without overpowering anything.
  • Garlic: Fresh cloves turn golden and fragrant in seconds, adding warmth that dried garlic just can't match.
  • Cajun seasoning: This is where the personality lives, so use a good blend or make your own with paprika, cayenne, thyme, and oregano.
  • Smoked paprika: It adds a whisper of campfire without any actual heat, deepening the sauce in a way regular paprika won't.
  • Heavy cream: The richness coats your tongue and carries the spices smoothly, turning them velvety instead of harsh.
  • Vegetable broth: A little liquid keeps the sauce from getting too thick and adds a subtle savory background note.
  • Parmesan cheese: Freshly grated melts seamlessly into the sauce, adding salt and umami that pre-shredded cheese can't deliver.
  • Fresh parsley: A handful of green at the end brightens the whole dish and makes it look like you know what you're doing.

Instructions

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Boil the pasta:
Cook it in well-salted water until it still has a little bite, then drain but keep a mugful of that starchy water. It's your secret weapon for loosening the sauce later.
Sauté the onion:
Heat olive oil in a large skillet and cook the onion until it turns soft and translucent, about three minutes. You want it sweet, not browned.
Add the garlic:
Toss in the minced garlic and stir for a minute until your kitchen smells like heaven. Don't let it brown or it'll turn bitter.
Bloom the spices:
Sprinkle in the Cajun seasoning and smoked paprika, stirring for thirty seconds. This wakes up the flavors and makes them cling to everything.
Fold in the peppers:
Add the roasted bell pepper slices and sauté for two minutes so they soak up the spiced oil. They'll turn glossy and even sweeter.
Pour in the cream and broth:
Stir them together and let the sauce simmer gently for a few minutes until it thickens just enough to coat the back of a spoon. Don't rush this part.
Stir in the Parmesan:
Add the cheese, salt, and pepper, stirring until the sauce turns smooth and glossy. If it looks too thick, splash in some reserved pasta water a little at a time.
Toss the pasta:
Add the drained pasta to the skillet and toss everything together, letting it warm through for a minute or two. Every piece should be coated.
Serve it hot:
Plate it up, sprinkle parsley and extra Parmesan on top, and get it to the table while it's still steaming.
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Vacuum seal ingredients and leftovers to keep food fresh longer and simplify meal prep.
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A steaming plate of Creamy Cajun pasta features al dente penne coated in a spicy, velvety sauce with sweet peppers.  Save
A steaming plate of Creamy Cajun pasta features al dente penne coated in a spicy, velvety sauce with sweet peppers. | fireandbites.com

One Sunday afternoon, I taught my teenage nephew how to make this while his mom napped on the couch. He kept tasting the sauce, adjusting the Cajun seasoning like a little chef, and when we finally sat down to eat, he announced it was better than any restaurant. His mom woke up to the smell and said the kitchen smelled like a Louisiana smokehouse. That's the moment I realized this recipe didn't just feed people, it made them feel like they'd created something worth bragging about.

How to Roast Bell Peppers Perfectly

I used to struggle with this until I learned to char them directly over a gas flame or under the broiler until the skin blistered and blackened all over. Once they're charred, drop them into a bowl and cover it with a plate for ten minutes so the steam loosens the skin. The peel slips off easily with your fingers or a paper towel, and what's left is tender, sweet, and smoky. If you don't have a gas stove, the broiler works just as well, just keep an eye on them and turn them every few minutes.

Making It Your Own

This dish is incredibly flexible once you understand the base. I've added blackened chicken thighs when I wanted something heartier, and tossed in shrimp during the last two minutes of cooking when I craved seafood. A handful of spinach wilts beautifully into the sauce if you want more greens, and a squeeze of lemon at the end lifts everything with a bright note. Some nights I use bowtie pasta instead of penne just because it looks cheerful on the plate.

Storing and Reheating

Leftovers keep in the fridge for up to three days in an airtight container, though the pasta will soak up some of the sauce as it sits. When you reheat it, add a splash of cream or milk and warm it gently in a skillet over low heat, stirring often so the sauce doesn't break. I've also reheated individual portions in the microwave with a damp paper towel over the bowl to keep the pasta from drying out. It won't be quite as silky as fresh, but it's still satisfying.

  • Stir in a little extra Parmesan when reheating to bring back some of that creamy richness.
  • Don't freeze this dish, cream-based sauces tend to separate and turn grainy when thawed.
  • If the sauce looks oily after reheating, whisk in a teaspoon of pasta water to bring it back together.
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Comforting Creamy Cajun pasta served with extra Parmesan, perfect for a weeknight dinner with a glass of chilled white wine. Save
Comforting Creamy Cajun pasta served with extra Parmesan, perfect for a weeknight dinner with a glass of chilled white wine. | fireandbites.com

This is the kind of meal that makes a Tuesday night feel special without any fuss. I hope it becomes one of those recipes you reach for when you want comfort, flavor, and something that feels like a warm hug in a bowl.

Common Questions

Can I make this dish ahead of time?

Yes, you can prepare the Cajun sauce up to 2 days in advance and store it in an airtight container in the refrigerator. Reheat gently over low heat before tossing with freshly cooked pasta. For best texture, cook the pasta fresh just before serving.

How do I adjust the spice level?

Control heat by modifying the Cajun seasoning amount—start with ½ tablespoon for mild, or increase to 1½ tablespoons for extra kick. Smoked paprika adds flavor without significant spice, so you can adjust it freely. Taste as you go and add reserved pasta water to dilute if the seasoning becomes too intense.

What's the best substitute for heavy cream?

For a lighter option, use half-and-half or whole milk combined with a cornstarch slurry to thicken. For dairy-free cooking, substitute with unsweetened oat milk or cashew cream mixed with a touch of cornstarch. Greek yogurt works as well but add it off heat to prevent curdling.

Can I use jarred roasted peppers instead?

Absolutely. Jarred roasted red peppers are convenient and yield excellent results. Drain them well and pat dry before adding to the skillet to prevent excess moisture in the sauce. They'll integrate smoothly and save considerable preparation time.

What proteins pair well with this dish?

Sliced chicken breast or large shrimp work beautifully—cook them separately until done, then fold into the finished sauce. Andouille sausage offers authentic Cajun flavor. For vegetarians, crispy tofu or white beans add substance and complement the spiced sauce perfectly.

How do I prevent the sauce from breaking or becoming grainy?

Maintain medium heat throughout and avoid high temperatures, which can cause cream to separate. Introduce the Parmesan gradually while stirring continuously. If the sauce does break, whisk in a tablespoon of pasta water or broth at a time until it becomes silky again.

Creamy Cajun Pasta with Roasted Peppers

Rich and flavorful pasta dish with creamy Cajun sauce, roasted bell peppers, and smoked paprika. Balanced heat and creaminess in 40 minutes.

Setup Duration
15 min
Time at Heat
25 min
Complete Duration
40 min
Created by Logan Hayes

Recipe Type One-Pot Comfort Meals

Skill Level Easy

Cultural Background American Cajun

Output 4 Portion Count

Special Diet Info Meat-Free

What You'll Need

Pasta

01 12 oz penne or fettuccine pasta

Vegetables

01 2 large red bell peppers, roasted, peeled, and sliced
02 1 small yellow onion, finely chopped
03 2 cloves garlic, minced

Sauce

01 2 tablespoons olive oil
02 1 tablespoon Cajun seasoning
03 1 teaspoon smoked paprika
04 1/2 teaspoon salt
05 1/4 teaspoon black pepper
06 3/4 cup plus 2 tablespoons heavy cream
07 1/4 cup vegetable broth
08 1/2 cup freshly grated Parmesan cheese

Garnish

01 2 tablespoons fresh parsley, chopped
02 Extra grated Parmesan cheese for serving

Method Steps

Phase 01

Cook the pasta: Bring a large pot of salted water to a boil. Add pasta and cook according to package directions until al dente. Drain and reserve 1/2 cup of pasta water.

Phase 02

Sauté aromatics: While pasta cooks, heat olive oil in a large skillet over medium heat. Add chopped onion and sauté for 3 minutes until softened.

Phase 03

Build flavor base: Add minced garlic and cook for 1 minute until fragrant. Stir in Cajun seasoning and smoked paprika, cooking for 30 seconds to release the spices.

Phase 04

Add peppers: Add roasted bell pepper slices to the skillet and sauté for 2 minutes, stirring occasionally.

Phase 05

Create sauce: Pour in heavy cream and vegetable broth, stirring to combine. Simmer for 3 to 4 minutes until the sauce thickens slightly.

Phase 06

Finish sauce: Stir in Parmesan cheese, salt, and black pepper until smooth. If the sauce is too thick, add reserved pasta water 2 tablespoons at a time to reach desired consistency.

Phase 07

Combine and heat: Add the cooked pasta to the sauce and toss until well coated. Heat gently for 1 to 2 minutes, stirring occasionally.

Phase 08

Serve: Transfer to serving plates immediately. Garnish with fresh parsley and additional grated Parmesan cheese.

Kitchen Tools Needed

  • Large pot
  • Large skillet
  • Cutting board and knife
  • Wooden spoon or spatula
  • Box grater

Allergy Details

Always review ingredients individually for potential allergens and seek professional medical guidance if uncertain.
  • Contains milk (heavy cream and Parmesan cheese)
  • Contains wheat (pasta)

Dietary Information (Single Portion)

Values shown are estimates only - please consult healthcare providers for specific dietary advice.
  • Energy Content: 510
  • Fats: 24 g
  • Carbohydrates: 57 g
  • Proteins: 15 g