Creamy Cajun Rattlesnake Pasta

Section: Satisfying Main Dishes for Every Occasion

This bold Rattlesnake Pasta combines tender seasoned chicken with colorful bell peppers and jalapeños in a rich, creamy Cajun sauce served over penne. The dish gets its kick from Cajun seasoning and fresh jalapeños, while a luxurious Parmesan cream sauce balances the heat. Ready in just 40 minutes, it's perfect for busy weeknights when you want something both satisfying and impressive. The colorful vegetables add freshness and crunch, making each bite a perfect balance of spice, creaminess, and texture.

A woman wearing glasses smiles for the camera.
Published By Ioana
Updated on Wed, 13 Aug 2025 17:53:49 GMT
A bowl of pasta with chicken and vegetables. Bookmark
A bowl of pasta with chicken and vegetables. | ioanacooks.com

This Cajun inspired pasta dish has become my go to weeknight dinner when I need something satisfying but don't want to spend hours in the kitchen. The name might sound intimidating but there's no actual snake involved just a deliciously creamy pasta loaded with tender chicken and vibrant bell peppers that pack enough heat to make you hiss with pleasure.

I discovered this recipe during a particularly hectic week when my usual dinner rotation felt stale. My teenage son took one bite and declared it "dangerously good" which is how it earned its snake themed name in our household. Now it's requested at least twice a month and I've started doubling the batch because the leftovers disappear faster than I can blink.

Ingredients

  • 1 lb penne pasta: provides the perfect shape to hold onto that luscious cream sauce
  • 1 lb boneless skinless chicken breast cut into bite sized pieces: ensures every forkful has protein
  • 2 tbsp olive oil divided: use for browning chicken and sautéing vegetables
  • 1 1/2 tsp Cajun seasoning: look for one with good paprika content for authentic flavor
  • 1 red bell pepper sliced: adds sweetness and beautiful color contrast
  • 1 green bell pepper sliced: brings subtle bitterness that balances the cream
  • 1/2 red onion sliced: choose firm onions for the best texture
  • 3 cloves garlic minced: fresh is essential here for aromatic depth
  • 2 to 3 jalapeño peppers sliced: remove seeds for less heat or keep them for fire
  • 4 tbsp butter: unsalted works best so you control the salt level
  • 1/4 cup all purpose flour: creates the roux base for silky sauce
  • 2 cups milk or half and half: half and half makes it extra rich
  • 1 cup grated Parmesan cheese: freshly grated melts smoother than pre shredded
  • 1/2 tsp salt: adjust to taste after adding cheese
  • 1/4 tsp black pepper: freshly ground makes a difference
  • 1/4 cup chopped fresh parsley: flat leaf variety has better flavor

Step by Step Instructions

Prepare the Pasta Foundation:
Bring a large pot of salted water to a rolling boil and cook penne according to package directions until al dente. This usually takes about 10 to 12 minutes but taste test a piece to be sure. The pasta should have a slight bite to it because it will continue cooking when mixed with the hot sauce. Drain thoroughly and set aside but don't rinse as the starch helps the sauce cling better.
Create the Chicken Base:
Heat 1 tablespoon of olive oil in a large skillet over medium high heat until it shimmers. Season chicken pieces generously with Cajun seasoning making sure each piece is well coated. Add chicken to the hot pan in a single layer and let it brown undisturbed for 3 to 4 minutes before flipping. Cook until golden brown on all sides and cooked through with internal temperature reaching 165°F. Remove chicken to a plate and cover to keep warm.
Build the Vegetable Layer:
In the same skillet add remaining olive oil and immediately add bell peppers and red onion. The residual chicken bits in the pan will add incredible flavor to the vegetables. Sauté for about 5 minutes until peppers start to soften but still retain some crispness. Add minced garlic and sliced jalapeños cooking for another 2 minutes until fragrant. The kitchen should smell absolutely amazing at this point.
Master the Roux:
In a separate medium saucepan melt butter over medium heat until it stops foaming. Whisk in flour all at once and cook stirring constantly for about 2 minutes. This eliminates the raw flour taste and creates a smooth base. The mixture should be golden and smell nutty but not browned.
Create the Cream Sauce:
Gradually whisk in milk starting with just a splash and whisking vigorously to prevent lumps. Continue adding milk slowly while whisking until all is incorporated. Bring to a gentle simmer and cook until thickened enough to coat the back of a spoon about 5 minutes. Remove from heat and stir in Parmesan cheese until completely melted. Season with salt and pepper tasting as you go.
Bring It All Together:
Add the cooked chicken and sautéed vegetables back to the cream sauce stirring gently to combine. Add the cooked pasta and toss everything together until well coated. If the sauce seems too thick add a splash of pasta cooking water or milk. Garnish with fresh chopped parsley and serve immediately while hot.
A plate of pasta with chicken and red peppers. Bookmark
A plate of pasta with chicken and red peppers. | ioanacooks.com

The secret ingredient that makes my version stand out is letting the chicken develop a really good sear in the beginning. That golden brown crust adds so much depth to the final dish. I learned this trick from my grandmother who always said "if it doesn't sizzle it won't dazzle" and she was absolutely right. My kids now judge all my cooking by whether they can hear it working in the pan.

Storage and Reheating

Store leftover Rattlesnake Pasta in airtight containers in the refrigerator where it will maintain quality for up to 3 days. The cream sauce may appear separated when cold but this is completely normal. For best results reheat gently on the stovetop over low heat stirring frequently and adding a tablespoon or two of milk to restore the creamy consistency. Avoid microwaving if possible as high heat can cause the sauce to break and become grainy. If you must use the microwave use 50% power and stir every 30 seconds.

Ingredient Substitutions

This recipe is wonderfully adaptable to dietary needs and preferences. Swap chicken for jumbo shrimp cooking them just until pink about 2 to 3 minutes per side or use andouille sausage for an authentic Cajun twist. Vegetarians can substitute extra firm tofu or a medley of mushrooms for the protein. For a lighter version use half and half instead of heavy cream or try Greek yogurt stirred in at the very end. Gluten free diners can use rice flour or a gluten free flour blend for the roux and choose their favorite gluten free pasta shape.

Serving Suggestions

Rattlesnake Pasta shines as the star of the meal but pairs beautifully with simple sides that won't compete with its bold flavors. A crisp romaine salad with lemon vinaigrette cuts through the richness while crusty garlic bread is perfect for sopping up any extra sauce. For drinks I love serving this with a crisp white wine like Pinot Grigio or for non alcoholic options try sparkling water with lime or sweet tea to complement the Cajun spices.

A plate of chicken and pasta with a red pepper on top. Bookmark
A plate of chicken and pasta with a red pepper on top. | ioanacooks.com

Cultural Context

Despite its playful name Rattlesnake Pasta draws inspiration from classic Cajun and Creole cooking traditions of Louisiana. The technique of building layers of flavor starting with a proper roux mirrors traditional gumbo making while the combination of bell peppers onions and garlic forms the holy trinity of Cajun cuisine. The addition of pasta makes this a modern fusion dish that brings together Italian cooking methods with Southern American flavors creating something entirely new yet comfortingly familiar.

Frequently Asked Questions About Recipes

→ Can I make this dish vegetarian?

Yes, simply omit the chicken and add extra vegetables like mushrooms, zucchini, or tofu for protein. The Cajun seasoning and creamy sauce will still provide plenty of flavor.

→ How spicy is this dish?

The heat level is moderate and can be easily adjusted. Remove jalapeño seeds for less heat, or add extra Cajun seasoning and jalapeños for more spice. The creamy sauce helps balance the heat.

→ Can I use a different type of pasta?

Absolutely! While penne works great for holding the sauce, you can use any pasta shape you prefer like rigatoni, fusilli, or bow ties. Just adjust cooking time according to package directions.

→ How can I make this dish gluten-free?

Use gluten-free pasta and substitute the all-purpose flour with a gluten-free flour blend when making the sauce. The rest of the ingredients are naturally gluten-free.

→ What's the best way to reheat leftovers?

Gently reheat on the stovetop over low heat with a splash of milk to revive the creamy texture. Avoid microwaving as it can cause the sauce to separate and become grainy.

→ Can I prepare this dish ahead of time?

While best served fresh, you can prep the vegetables and cook the chicken ahead of time. Store components separately and combine with the sauce just before serving for optimal texture.

Spicy Cajun Rattlesnake Pasta

Spicy Cajun pasta with chicken, bell peppers, and creamy Parmesan sauce for a satisfying weeknight meal.

Time Needed to Prep
15 minutes
Cooking Duration
25 minutes
Overall Time
40 minutes
Published By: Ioana

Category of Recipe: Main Dishes

Preparation Difficulty: Medium Difficulty

Type of Cuisine: American Cajun

Number of Portions: 4 How Many It Serves

Dietary Preferences: ~

Ingredients You'll Need

→ Main Ingredients

Ingredient 01 1 lb penne pasta
Ingredient 02 1 lb boneless, skinless chicken breast, cut into bite-sized pieces
Ingredient 03 2 tbsp olive oil, divided
Ingredient 04 1 1/2 tsp Cajun seasoning
Ingredient 05 1 red bell pepper, sliced
Ingredient 06 1 green bell pepper, sliced
Ingredient 07 1/2 red onion, sliced
Ingredient 08 3 cloves garlic, minced
Ingredient 09 2-3 jalapeño peppers, sliced (remove seeds for less heat)

→ Sauce

Ingredient 10 4 tbsp butter
Ingredient 11 1/4 cup all-purpose flour
Ingredient 12 2 cups milk or half-and-half
Ingredient 13 1 cup grated Parmesan cheese
Ingredient 14 1/2 tsp salt
Ingredient 15 1/4 tsp black pepper
Ingredient 16 1/4 cup chopped fresh parsley

Steps to Follow

Step 01

Boil penne pasta according to package instructions until al dente. Drain and set aside.

Step 02

Heat 1 tablespoon olive oil in a large pan over medium-high heat. Season chicken pieces with Cajun seasoning and cook until golden brown on all sides. Remove from pan and set aside.

Step 03

In the same pan, add remaining olive oil and sauté bell peppers, red onion, garlic, and jalapeños until vegetables are tender and fragrant, about 5-7 minutes.

Step 04

In a separate saucepan, melt butter over medium heat. Whisk in flour to create a smooth roux, cooking for 1-2 minutes to eliminate raw flour taste.

Step 05

Gradually whisk milk into the roux, stirring constantly to prevent lumps. Cook until sauce thickens, then stir in Parmesan cheese until melted. Season with salt, pepper, and fresh parsley.

Step 06

Add cooked chicken and sautéed vegetables to the cream sauce. Toss with cooked pasta until well coated. Serve immediately garnished with additional parsley.

Extra Tips

  1. Cook pasta al dente to prevent mushiness when combined with the creamy sauce
  2. Use freshly grated Parmesan cheese for optimal flavor and melting properties
  3. Adjust spice level by varying the amount of jalapeños and removing seeds for milder heat
  4. Substitute shrimp or andouille sausage for chicken to create different flavor profiles

Tools You'll Need

  • Large pot for boiling pasta
  • Large skillet or sauté pan
  • Medium saucepan for making roux
  • Wire whisk
  • Colander for draining pasta

Allergen Information

Carefully check food labels for allergens and consult an expert if you're uncertain.
  • Contains gluten from wheat flour and pasta
  • Contains dairy from milk, butter, and Parmesan cheese

Nutritional Information (Per Serving)

Remember, these values are for guidance only and shouldn't replace advice from a professional.
  • Calories Per Serving: 480
  • Total Fat: 20 grams
  • Carbohydrate Amount: 45 grams
  • Protein Amount: 30 grams