One-Pot Creamy Cajun Chicken and Bell Pepper Penne Pasta (30-Minute Dinner)

Name: One-Pot Creamy Cajun Chicken and Bell Pepper Penne Pasta
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American / Cajun-Inspired
Ingredients: 1.5 lbs (680g) boneless, skinless halal chicken breasts, cut into 1-inch cubes; 2 Tablespoons (20g) low-sodium Cajun seasoning, divided; 1 teaspoon (2.5g) smoked paprika; 1/2 teaspoon fine sea salt; 1 Tablespoon (15ml) extra-virgin olive oil; 2 Tablespoons (28g) unsalted butter; 1 large red bell pepper, thinly sliced (150g); 1 large yellow bell pepper, thinly sliced (150g); 1 medium yellow onion, finely diced (130g); 4 cloves garlic, finely minced (12g); 1 cup (240g) fire-roasted diced tomatoes, drained; 3 cups (720ml) rich halal chicken bone broth; 1 cup (240ml) heavy whipping cream; 12 oz (340g) dry bronze-cut penne rigate pasta; 1 cup (100g) freshly grated Parmigiano-Reggiano cheese; 1/4 cup (15g) finely chopped fresh Italian parsley

October 15, 2026

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Loaded with smoky-spiced seared chicken bites, sweet bell peppers, fire-roasted tomatoes, and bronze-cut penne simmered directly in a velvety Parmesan cream sauce, this one-pot cajun chicken pasta is ready in 30 minutes.

Low 25-degree side-angle hero shot of one-pot creamy Cajun chicken and bell pepper penne pasta in a Dutch oven on a matte jet-black soapstone counter

Restaurant-style Cajun chicken pasta is famous for its bold smoky heat and silky Alfredo-style sauce, yet making it at home often means boiling pasta in one pot while juggling chicken, peppers, and cream sauce in two separate skillets. Even worse, boiling the pasta in plain water wastes the natural wheat starches that help bind the cream sauce.

By searing the Cajun-spiced chicken and sweet bell peppers in a single Dutch oven or deep skillet first, then simmering dry penne rigate directly in rich chicken bone broth and heavy cream, the pasta absorbs smoky Cajun flavor to its core while releasing starch that thickens the Parmigiano-Reggiano sauce naturally.

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Why You’ll Love This One-Pot Creamy Cajun Chicken Pasta

True One-Pot 30-Minute Meal: Chicken, bell peppers, pasta, and Cajun Parmesan cream sauce cook sequentially in one deep skillet or Dutch oven.
No Separate Pasta Pot: Simmering dry penne in chicken bone broth and cream infuses every noodle with smoky garlic flavor.
Self-Emulsifying Velvety Sauce: Natural pasta starch combines with heavy cream and Parmigiano-Reggiano for a glossy, clingy glaze.
Balanced Smoky Heat: Sweet red and yellow bell peppers and fire-roasted tomatoes balance the warm Cajun spice blend.
Family-Adjustable Spice Level: Easily tailored from mild smoky warmth to bold restaurant kick.

Three-quarter dinner spread of one-pot creamy Cajun chicken and bell pepper penne pasta in a matte-black Dutch oven with ceramic pasta bowls on a jet-black soapstone counter — Smoky Cajun chicken bites and sweet bell peppers tossed with al dente penne in a glossy Parmesan cream sauce.

Key Ingredients & Why Each One Matters

Boneless Skinless Chicken Breasts (1.5 lbs / 680g, cubed): Cut into 1-inch bite-sized pieces so every cube gets a blackened Cajun crust in 5 minutes.
Cajun Seasoning & Smoked Paprika (2.5 Tablespoons total): Divided between coating the chicken and seasoning the cream sauce.
Red & Yellow Bell Peppers + Yellow Onion: Sliced into thin strips that caramelize in the chicken drippings.
Garlic & Fire-Roasted Diced Tomatoes: Four minced garlic cloves and 1 cup (240g) drained fire-roasted tomatoes add smoky-sweet depth.
Rich Chicken Bone Broth & Heavy Cream: Three cups (720ml) bone broth and 1 cup (240ml) heavy cream simmer the pasta to al dente perfection.
Dry Penne Rigate Pasta (12 oz / 340g): Ridged bronze-cut tubes trap the creamy Cajun sauce inside and out.
Freshly Grated Parmigiano-Reggiano (1 cup / 100g): Melts off the heat into a velvety finish.
Fresh Parsley & Green Onions: Add a crisp, vibrant garnish.

Close-up 90-degree overhead flatlay of 8 wide ceramic bowls holding cubed chicken breast, Cajun spice blend, sliced red and yellow bell peppers, diced onion and garlic, dry penne pasta, fire-roasted diced tomatoes, heavy cream and chicken broth, and grated Parmesan with parsley — Simple pantry staples, colorful bell peppers, and Cajun spices come together in one pot in 30 minutes.

Start by Blackening the Cajun Chicken & Peppers

Toss the chicken cubes with olive oil and 1.5 Tablespoons of Cajun seasoning, then sear in a hot Dutch oven with melted butter for 4 to 5 minutes until deeply golden. Transfer the chicken to a warm plate so it stays juicy while the peppers and pasta cook.

Over-the-shoulder view of searing Cajun-spiced chicken breast cubes and colorful bell pepper strips in a matte-black Dutch oven — Step 1: Sear the Cajun-spiced chicken cubes until golden, then sauté the bell peppers, onion, and garlic in the savory drippings.

Low-angle close-up of pouring chicken bone broth, heavy cream, and fire-roasted tomatoes over dry penne rigate pasta in the Dutch oven — Step 2: Add the dry penne pasta, fire-roasted tomatoes, chicken bone broth, and heavy cream directly to the pot.

Sauté the sliced red and yellow bell peppers and diced onion in the same pot for 4 minutes until tender-crisp, then stir in the minced garlic, remaining Cajun seasoning, and drained fire-roasted tomatoes for 60 seconds.

The One-Pot Pasta Emulsion Technique

Simmering dry penne rigate directly in the measured blend of chicken bone broth and heavy cream for 11 to 12 minutes lets the pasta release surface starch into the liquid, creating a thick, restaurant-glossy Cajun Alfredo sauce without needing a flour roux.

Three Rules for Perfect One-Pot Cajun Chicken Pasta

Stir every 3 minutes while simmering the penne: Gentle stirring prevents the pasta tubes from sticking to the bottom of the pot.
Leave a little saucy liquid at minute 11: The starch-rich cream sauce thickens noticeably as soon as you fold in the Parmesan off the heat.
Check the salt level of your Cajun seasoning: Use a low-sodium or homemade Cajun blend so you can season the finished sauce to taste.

How to Make Creamy Cajun Chicken Pasta (Step-by-Step Guide)

Pour 3 cups of chicken bone broth, 1 cup of heavy whipping cream, and 12 ounces of dry penne rigate into the pot with the sautéed peppers and tomatoes. Bring to a boil, reduce heat to medium-low, cover partially, and simmer for 11 to 12 minutes, stirring occasionally, until the pasta is al dente.

Folding freshly grated Parmigiano-Reggiano into the tender al dente penne and bell peppers in the creamy Cajun sauce — Step 3: Remove from the heat and fold in freshly grated Parmigiano-Reggiano until the sauce is velvety.

Returning the golden Cajun seared chicken cubes and fresh parsley to the creamy penne pasta in the Dutch oven — Step 3: Remove from the heat and fold in freshly grated Parmigiano-Reggiano until the sauce is velvety.

Remove the pot from the burner and stir in 1 cup of freshly grated Parmigiano-Reggiano until melted into a silky sauce.

Fold the seared Cajun chicken cubes (along with their plate juices) and fresh parsley back into the pasta, let rest for 2 minutes to thicken, and serve warm.

Low 25-degree hero view of a bowl of one-pot creamy Cajun chicken and bell pepper penne pasta topped with Parmesan and parsley — Serve piping hot in warm bowls topped with extra Parmigiano-Reggiano and fresh parsley.

Common Mistakes to Avoid

Leaving the chicken in the pot while the pasta boils: Removing the seared chicken after 5 minutes and folding it back in at the end keeps every bite tender.
Using pre-shredded bagged Parmesan: Anti-caking cellulose prevents bagged cheese from melting smoothly into the Cajun cream sauce.
Boiling the sauce rapidly after adding cheese: Always stir in the Parmigiano-Reggiano off the heat.

Substitutions & Flavor Variations

Cajun Chicken & Shrimp Pasta: Sear 1/2 pound of peeled jumbo shrimp alongside 1 pound of cubed chicken for a surf-and-turf pasta night.
Smoky Halal Beef Sausage Twist: Slice 6 ounces of halal smoked beef sausage into coins and brown with the chicken.
Different Pasta Shapes: Rigatoni, rotini, cavatappi, or farfalle all work with the exact same liquid ratio and 11-to-12-minute cook time.

Make-Ahead, Storage & Reheating Guide

Storage: Store cooled pasta in an airtight container in the refrigerator for up to 4 days.

Gentle Reheating: Warm in a covered skillet over medium-low heat with 2 to 3 Tablespoons of chicken bone broth or milk, tossing gently until the cream sauce loosens and coats the penne again.

Frequently Asked Questions

Is Cajun chicken pasta very spicy?

With 2 Tablespoons of standard Cajun seasoning balanced by heavy cream, Parmesan, and sweet bell peppers, it has a medium, family-friendly smoky warmth; reduce to 1 Tablespoon for mild palates.

Can I use chicken thighs instead of chicken breasts?

Yes! Boneless skinless chicken thighs cut into 1-inch pieces sear up extra juicy and pair wonderfully with Cajun spices.

What goes well with Cajun chicken pasta?

Warm garlic bread, roasted parmesan broccoli, or a crisp Caesar salad rounds out the meal.

The Final Result & Serving Suggestions

Every forkful delivers tender blackened chicken, sweet caramelized bell peppers, and al dente penne coated in a smoky, velvety Parmesan cream sauce.

Top each bowl with freshly grated Parmigiano-Reggiano and chopped parsley for a 30-minute weeknight dinner the whole family will request on repeat.

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