Spicy Rattlesnake Pasta
Rattlesnake pasta with cajun-seasoned chicken, fresh jalapenos, and a creamy parmesan sauce over fettuccine. A spicy one-skillet dinner in 40 minutes.
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Rattlesnake Pasta is the dinner I make when I want some real heat on the table, and no, there’s no snake in it. The name comes from the bite. Cajun-seasoned chicken gets seared until the edges char, fresh jalapenos go into the pan, and everything lands in a creamy parmesan sauce that turns the fettuccine spicy, smoky, and rich all at once. It tastes like something off a steakhouse menu, and it comes together in one skillet.
The trick to layering the heat without it tasting harsh is blooming the cajun seasoning in fat. Cajun blends lean heavily on paprika and cayenne, and those spices are oil-soluble, so their flavor opens up and deepens when they hit hot butter or oil instead of just getting stirred into liquid at the end. Coating the chicken and searing it hard does that job, and sauteing the jalapenos in the same pan pulls even more of that spice into the sauce.
Fresh jalapenos give you a brighter, greener heat than dried spice alone, and you control exactly how hot it gets. Leave the seeds and ribs in for a real kick, or scrape them out for a milder warmth the kids can handle. Either way, the cream sauce mellows the edges so it’s spicy without setting anyone’s mouth on fire, and it’s on the table in about 40 minutes.
Why You’ll Love This Recipe
- Real, layered heat. Cajun spice on the chicken plus fresh jalapenos in the sauce build a kick you can actually feel.
- A creamy sauce that balances it. Cream and parmesan mellow the spice just enough so it’s bold without being punishing.
- Steakhouse flavor at home. It tastes like a restaurant pasta special, made in one skillet on a weeknight.
- You control the spice. Keep the jalapeno seeds for serious heat or scrape them out for a milder, family-friendly version.
Rattlesnake Pasta Ingredients
Cajun seasoning blends vary a lot in saltiness from brand to brand. Taste yours before you add the extra salt in this recipe, and hold back if the blend already tastes salty on its own so the sauce doesn’t end up over-seasoned.
- 1 lb fettuccine
- 1 1/2 lbs boneless, skinless chicken breasts, cut into strips
- 2 tbsp cajun seasoning, divided
- 2 tbsp olive oil
- 3 tbsp butter
- 2 jalapenos, seeded and diced
- 4 cloves garlic, minced
- 1/2 cup chicken broth
- 1 1/2 cups heavy cream
- 1 cup grated parmesan, plus more for serving
- 1/2 tsp salt
- 2 green onions, sliced, for garnish
Recipe Variations
- Swap the chicken for shrimp; cook it just 2-3 minutes per side, until it curls into a loose C and turns opaque, so it doesn’t overcook.
- Stir in a handful of sliced andouille sausage with the jalapenos for an even smokier, more Cajun flavor.
- Add a diced roasted red bell pepper with the garlic for a little sweetness and color against the heat.
How to Make Rattlesnake Pasta
- Cook the pasta: Bring a large pot of salted water to a boil and cook the fettuccine according to the package directions until al dente. Reserve about 1 cup of the pasta water, then drain and set aside.
- Season and sear the chicken: Toss the chicken strips with 1 1/2 tablespoons of the cajun seasoning until evenly coated. Heat the olive oil in a large skillet over medium-high heat and sear the chicken for 6-7 minutes, turning once, until browned with charred edges and cooked through to 165°F. Transfer to a plate.
- Saute the jalapenos and garlic: Reduce the heat to medium and melt the butter in the same skillet. Add the jalapenos and cook for 2 minutes until softened, then stir in the garlic and cook for 30 seconds more.
- Build the sauce: Pour in the chicken broth and scrape up any browned bits from the bottom of the pan. Stir in the heavy cream and the remaining 1/2 tablespoon cajun seasoning, and simmer for 2-3 minutes until slightly thickened.
- Add the parmesan: Reduce the heat to low and stir in the parmesan and salt until the sauce is smooth and creamy.
- Combine and finish: Return the chicken and any juices to the skillet along with the drained fettuccine. Toss to coat, loosening with a splash of the reserved pasta water if needed. Top with sliced green onions and serve warm.
Recipe FAQs
How Spicy Is Rattlesnake Pasta?
Medium to hot, depending on your cajun blend and how you handle the jalapenos. Leave the seeds and ribs in for a real kick, or scrape them out and cut back on the seasoning for a milder, kid-friendly version.
Why Is It Called Rattlesnake Pasta?
It’s named for the bite, not the ingredients. There’s no snake in it. The cajun spice and fresh jalapenos give it a heat that sneaks up on you, which is where the name comes from.
Can I Use Chicken Thighs Instead of Breasts?
Yes, boneless skinless thighs work well and stay a little juicier. Cut them into strips and sear until they reach 165°F; they may need an extra minute or two.
Why Did My Sauce Look Broken or Greasy?
The heat was likely too high when the cream or parmesan went in. Drop it to low, add the parmesan off a rolling boil, and stir gently until it comes back together smooth.
Can I Make It Ahead, and What Goes with It?
You can sear the chicken and slice the jalapenos ahead, then build the sauce fresh at dinnertime since cream sauces are best hot off the stove. Garlic bread and a green salad round it out.
Cooking Tips
- Wear gloves or wash your hands well after seeding the jalapenos, and keep your fingers away from your eyes. The heat lingers on your skin longer than you’d expect.
- Don’t crowd the chicken in the pan. Sear it in two batches if you need to so it browns and chars instead of steaming pale.
- Grate the parmesan off a block for the smoothest sauce. The pre-shredded bags are coated to resist clumping, and that coating can make a cream sauce grainy.
Storage and Freezing
To store: Keep leftovers in an airtight container in the fridge for up to 3 days.
To freeze: This one’s better fresh. The cream sauce can separate and turn grainy once thawed, so freezing isn’t recommended.
To reheat: Warm gently in a skillet over low heat with a splash of cream or broth, stirring often, or microwave in short bursts so the chicken doesn’t dry out.
How to Serve Rattlesnake Pasta
Rattlesnake Pasta is filling on its own, though a cool green salad and warm garlic bread help balance the heat. This is one of the recipes in our New Pastas collection, and if you like the cajun spice, our Cajun Chicken Pasta is another one worth trying.
Loved This Recipe?
Rattlesnake Pasta brings real heat and a creamy sauce to the same plate, and it earns its name with every spicy bite.
Leave a star rating in the comments below, it helps other people find this recipe. Made it? Tag @allwellfed on Instagram, I love seeing this one in other people’s kitchens.
More like this: Like your pasta with heat? These two bring the same creamy sauce and spicy chicken flavor. Try Creamy Cajun Chicken Pasta or Creamy Buffalo Chicken Pasta.
Rattlesnake Pasta
Ingredients
- 1 lb fettuccine
- 1 1/2 lbs chicken breasts boneless, skinless, cut into strips
- 2 tbsp cajun seasoning divided
- 2 tbsp olive oil
- 3 tbsp butter
- 2 jalapenos seeded and diced
- 4 cloves garlic minced
- 1/2 cup chicken broth
- 1 1/2 cups heavy cream
- 1 cup grated parmesan plus more for serving
- 1/2 tsp salt
- 2 green onions sliced, for garnish
Instructions
- Cook the pasta: Bring a large pot of salted water to a boil and cook the fettuccine according to the package directions until al dente. Reserve about 1 cup of the pasta water, then drain and set aside.
- Season and sear the chicken: Toss the chicken strips with 1 1/2 tablespoons of the cajun seasoning until evenly coated. Heat the olive oil in a large skillet over medium-high heat and sear the chicken for 6-7 minutes, turning once, until browned with charred edges and cooked through to 165°F. Transfer to a plate.
- Saute the jalapenos and garlic: Reduce the heat to medium and melt the butter in the same skillet. Add the jalapenos and cook for 2 minutes until softened, then stir in the garlic and cook for 30 seconds more.
- Build the sauce: Pour in the chicken broth and scrape up any browned bits from the bottom of the pan. Stir in the heavy cream and the remaining 1/2 tablespoon cajun seasoning, and simmer for 2-3 minutes until slightly thickened.
- Add the parmesan: Reduce the heat to low and stir in the parmesan and salt until the sauce is smooth and creamy.
- Combine and finish: Return the chicken and any juices to the skillet along with the drained fettuccine. Toss to coat, loosening with a splash of the reserved pasta water if needed. Top with sliced green onions and serve warm.
