Why You’ll Love This Recipe

I love this recipe because it’s fast, filling, and packed with flavor in every forkful. I get smoky Cajun seasoning, sweet bell peppers, and a creamy Parmesan sauce that clings to the pasta. I also like how easy it is to control the heat, so I can keep it mild or make it seriously spicy depending on my mood.

Rattlesnake Pasta Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • 1 lb chicken breast, cut into bite-size pieces

  • 12 oz penne pasta

  • Salt, to taste

  • Black pepper, to taste

  • 2 tsp Cajun seasoning (adjust to heat level)

  • 1 tsp paprika

  • 2 tbsp olive oil

Veggies

  • 1 red bell pepper, sliced

  • 1 green bell pepper, sliced

  • 1 jalapeño, seeded and diced (optional)

  • 2 cloves garlic, minced

Creamy Sauce

  • 2 tbsp butter

  • 1 cup heavy cream

  • ½ cup chicken broth

  • ¾ cup grated Parmesan cheese

  • ½ tsp Italian seasoning

Garnish

  • Extra grated Parmesan

  • Chopped parsley

Directions

  1. I cook the penne in salted water according to the package directions, drain it, and set it aside.

  2. I season the chicken pieces with salt, black pepper, Cajun seasoning, and paprika.

  3. I heat the olive oil in a large skillet over medium-high heat, add the chicken, and cook it until golden and cooked through, then I remove it to a plate.

  4. In the same skillet, I add the butter and sauté the bell peppers and jalapeño until they’re slightly tender.

  5. I add the garlic and cook it for about 30 seconds until fragrant.

  6. I pour in the heavy cream and chicken broth and let it simmer for 3–4 minutes until it thickens a bit.

  7. I stir in the Parmesan and Italian seasoning until the sauce turns smooth and creamy.

  8. I add the cooked pasta and chicken back into the skillet and toss everything until fully coated.

  9. I taste and adjust seasoning, then I finish with chopped parsley and extra Parmesan.

Servings and timing

  • Yield: 4 servings

  • Prep time: 15 minutes

  • Cook time: 25 minutes

  • Total time: 40 minutes

Variations

  • Extra spicy: I leave some jalapeño seeds in, add a pinch of cayenne, or use a hotter Cajun seasoning blend.

  • Milder version: I skip the jalapeño and use less Cajun seasoning, then I add more paprika for flavor without as much heat.

  • Different pasta: I use rigatoni or rotini when I want more sauce trapped in the pasta.

  • Protein swap: I make it with shrimp or sliced smoked sausage, and I adjust cooking time so nothing overcooks.

  • Veggie add-ins: I toss in mushrooms or onions with the peppers, or I add a handful of spinach at the end to wilt into the sauce.

storage/reheating

I store leftovers in an airtight container in the refrigerator for up to 3 days.

To reheat, I warm it gently in a skillet over medium-low heat with a splash of chicken broth, milk, or cream to loosen the sauce. If I use a microwave, I heat it in short bursts and stir often so the sauce stays creamy instead of separating.

FAQs

Why is it called “Rattlesnake Pasta” if there’s no rattlesnake meat?

I treat the name as a reference to the spicy “bite.” I keep at least a little heat in the sauce so it tastes true to the name.

Can I use pre-cooked or rotisserie chicken?

I can, and I like it for speed. I season it lightly and add it at the end just long enough to heat through so it doesn’t dry out.

What if my sauce gets too thick?

I loosen it with a splash of chicken broth or a little cream and toss again until it coats the pasta the way I like.

What if my sauce looks grainy?

I keep the heat lower when I add Parmesan and stir constantly. I also use finely grated Parmesan so it melts smoothly.

Rattlesnake Pasta How do I keep the chicken tender?

I cut the pieces evenly and cook them just until done. I also let them rest on a plate while I make the sauce, then I add them back at the end so they don’t overcook.

Conclusion

I make this Rattlesnake Pasta when I want something creamy, spicy, and satisfying without spending all night cooking. I love the Cajun-seasoned chicken, the peppers, and the rich Parmesan sauce, and I keep the heat adjustable so it always matches what I’m craving.

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Rattlesnake Pasta

Rattlesnake Pasta

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Bold, creamy Cajun-style penne with tender chicken, peppers, and a spicy Parmesan cream sauce—quick, restaurant-famous comfort food with a serious kick.

  • Author: Ella
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Category: Dinner
  • Method: Stovetop
  • Cuisine: Cajun / American

Ingredients

Pasta + Chicken

12 oz penne pasta

1 lb chicken breast, cut into bite-size pieces

Salt & black pepper, to taste

2 tsp Cajun seasoning (adjust to heat level)

1 tsp paprika

2 tbsp olive oil

Veggies

1 red bell pepper, sliced

1 green bell pepper, sliced

1 jalapeño, seeded and diced (optional)

2 cloves garlic, minced

Creamy Sauce

2 tbsp butter

1 cup heavy cream

½ cup chicken broth

¾ cup grated Parmesan cheese

½ tsp Italian seasoning

Garnish

Extra grated Parmesan

Chopped parsley

Instructions

Cook the pasta: Boil penne in salted water according to package directions until al dente. Drain and set aside.

Season the chicken: Toss chicken with salt, pepper, Cajun seasoning, and paprika.

Cook the chicken: Heat olive oil in a large skillet over medium-high heat. Add chicken and cook until golden and cooked through. Remove to a plate.

Sauté the peppers: In the same skillet, melt butter. Add bell peppers and jalapeño and sauté until slightly tender.

Add garlic: Stir in garlic and cook about 30 seconds until fragrant.

Simmer the sauce: Pour in heavy cream and chicken broth. Simmer 3–4 minutes until slightly thickened.

Make it creamy: Stir in Parmesan and Italian seasoning until smooth.

Toss everything together: Add pasta and chicken back into the skillet. Toss until fully coated.

Finish: Taste and adjust seasoning. Garnish with parsley and extra Parmesan, then serve hot.

Notes

Heat control: Use mild Cajun seasoning and skip jalapeño for a gentler version—or keep both for the classic “rattlesnake bite.”

Sauce consistency: If it gets too thick, splash in a bit more broth. If too thin, simmer 1–2 minutes longer.

Best Parmesan tip: Grate your own Parmesan for the smoothest melt (pre-shredded can turn grainy).

Add-ons: Sautéed mushrooms or onions are great here, and a squeeze of lemon brightens the cream sauce.

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