If you love bold flavors, creamy sauces, and a little Cajun heat, then J Alexander’s Rattlesnake Pasta Recipe is the perfect dish for you. This restaurant-style pasta combines tender grilled chicken, colorful bell peppers, rich Alfredo sauce, and spicy Cajun seasoning for an unforgettable meal.

The best part? You can easily make this delicious copycat recipe at home in just 35 minutes. It’s simple, beginner-friendly, and packed with flavor. Whether you are cooking for family dinner or entertaining guests, this pasta dish always impresses.
In this detailed guide, you’ll learn everything you need to make the perfect homemade version of J Alexander’s famous Rattlesnake Pasta.
What Is J Alexander’s Rattlesnake Pasta Recipe?
J. Alexander’s is a popular American restaurant known for its upscale comfort food. One of their signature dishes is the famous Rattlesnake Pasta.
Despite its name, this dish does not contain rattlesnake meat. The name comes from its bold, spicy kick — similar to a “bite.” The recipe features:
- Tagliatelle pasta
- Grilled chicken breast
- Creamy Alfredo sauce
- Cajun seasoning
- Fresh bell peppers
- Garlic and onions
- Smoked mozzarella
- Fresh cilantro
It’s creamy, slightly spicy, cheesy, and incredibly satisfying.
Why You Will Love This Recipe
Here’s why this copycat Rattlesnake Pasta will become your new favorite:
- ✅ Easy to make in under 40 minutes
- ✅ Restaurant-quality flavor at home
- ✅ Creamy and spicy balance
- ✅ Perfect for weeknight dinners
- ✅ Family-friendly and customizable
- ✅ Great for meal prep
If you enjoy creamy Cajun chicken pasta recipes, this one is a must-try.
Equipment’s
To make J Alexander’s Rattlesnake Pasta, you’ll need:
- Skillet
- Large boiling pot
- Pan for grilling chicken
- Knife
- Cutting board
- Mixing bowl
- Measuring cups
- Measuring spoons
- Serving plate
Basic kitchen tools are enough — no special equipment required.
Ingredients With Amounts

For Pasta:
- 2 tablespoons olive oil
- 2 cups De Cecco tagliatelle pasta
- 1 teaspoon salt
For Grilled Chicken:
- 1 tablespoon olive oil
- 2 boneless, skinless chicken breasts (about 350 grams)
- ⅓ teaspoon garlic powder
- ¾ teaspoon coarse salt
- Black pepper to taste
For The Rattlesnake Pasta:
- 5 cups cooked tagliatelle pasta
- 2 grilled chicken breasts, sliced into ¼-inch strips
- 2 cups Simply Organic Alfredo Sauce Mix, Recommended
- 2 tablespoons fresh lime juice
- 2 tablespoons Frontier Cajun Seasoning, Recommended
- 12 slivers green bell pepper
- 12 slivers red bell pepper
- 12 slivers yellow bell pepper
- 2 teaspoons chopped garlic
- 4 tablespoons diced red onion
- 4 tablespoons grated smoked mozzarella
- 2 tablespoons chopped cilantro leaves
Instructions
Step 1: Cook the Pasta
- Fill a large pot ⅔ full with water.
- Add 2 tablespoons olive oil and 1 teaspoon salt.
- Bring to a moderate boil over medium-high heat.
- Add the tagliatelle pasta.
- Cook 2 minutes less than the package instructions (al dente).
- Drain and set aside.
Step 2: Grill the Chicken
- Heat a large pan over medium-high heat.
- Add 1 tablespoon olive oil.
- In a bowl, mix garlic powder, coarse salt, and black pepper.
- Coat the chicken breasts evenly with the seasoning.
- Grill for 4–5 minutes per side until fully cooked.
- Remove and slice into thin strips.
Step 3: Prepare the Sauce and Vegetables
- Chop garlic and dice the red onion.
- Slice bell peppers into thin slivers.
- In a large pan over medium-high heat, combine:
- Alfredo sauce
- Lime juice
- Cajun seasoning
- Stir continuously and bring to a low boil.
Step 4: Combine Everything
- Add grilled chicken, bell peppers, garlic, and onion.
- Sauté for 5–6 minutes until vegetables soften.
- Add cooked pasta.
- Toss well until pasta is fully coated in sauce.
- Sprinkle smoked mozzarella and cilantro on top.
Serve hot and enjoy!
Notes
- Toss lightly with ranch dressing for extra flavor.
- Add real bacon bits for smoky depth.
- Croutons add nice texture.
- You can serve a side salad with shredded Mexican or cheddar cheese.
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Variations
Here are some easy ways to customize this Rattlesnake Pasta recipe:
Make It Spicier
Add red chili flakes or extra Cajun seasoning.
Make It Milder
Reduce Cajun seasoning and skip lime juice.
Make It Vegetarian
Replace chicken with mushrooms or grilled tofu.
Add Shrimp
Swap chicken for grilled shrimp for a seafood version.
Extra Creamy Version
Add ½ cup heavy cream to the Alfredo sauce.
Tips
- Cook pasta al dente so it doesn’t become mushy in sauce.
- Do not overcook chicken — keep it juicy.
- Use fresh lime juice for better flavor.
- Slice vegetables evenly for perfect texture.
- Stir sauce continuously to prevent burning.
What to Serve With J Alexander’s Rattlesnake Pasta?
This creamy Cajun chicken pasta pairs well with:
- Garlic bread
- Caesar salad
- Roasted vegetables
- Grilled corn
- Steamed broccoli
- Fresh garden salad
A light salad balances the rich and creamy sauce perfectly.
How to Store J Alexander’s Rattlesnake Pasta?
Refrigerator:
- Store in an airtight container.
- Keeps fresh for up to 3 days.
Freezer:
- Freeze in freezer-safe containers.
- Good for up to 2 months.
Reheating:
- Reheat in a pan over low heat.
- Add a splash of milk or cream to restore creaminess.
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J Alexander’s Rattlesnake Pasta Recipe
Equipment & Tools
- Skillet
- Large boiling pot
- Pan for grilling chicken
- Knife
- Cutting Board
- Mixing Bowl
- Measuring cups
- Measuring spoons
- Serving Plate
Ingredients
- 2 tablespoons olive oil
- 2 cups De Cecco tagliatelle pasta
- 1 teaspoon salt
- 1 tablespoon olive oil
- 2 boneless skinless chicken breasts (about 350 grams)
- ⅓ teaspoon garlic powder
- ¾ teaspoon coarse salt
- Black pepper to taste
- For The Rattlesnake Pasta:
- 5 cups cooked tagliatelle pasta
- 2 grilled chicken breasts sliced into ¼-inch strips
- 2 cups Simply Organic Alfredo Sauce Mix, Recommended
- 2 tablespoons fresh lime juice
- 2 tablespoons Frontier Cajun Seasoning, Recommended
- 12 slivers green bell pepper
- 12 slivers red bell pepper
- 12 slivers yellow bell pepper
- 2 teaspoons chopped garlic
- 4 tablespoons diced red onion
- 4 tablespoons grated smoked mozzarella
- 2 tablespoons chopped cilantro leaves
Instructions
- Fill a large pot ⅔ full with water.
- Add 2 tablespoons olive oil and 1 teaspoon salt.
- Bring to a moderate boil over medium-high heat.
- Add the tagliatelle pasta.
- Cook 2 minutes less than the package instructions (al dente).
- Drain and set aside.
- Heat a large pan over medium-high heat.
- Add 1 tablespoon olive oil.
- In a bowl, mix garlic powder, coarse salt, and black pepper.
- Coat the chicken breasts evenly with the seasoning.
- Grill for 4–5 minutes per side until fully cooked.
- Remove and slice into thin strips.
- Chop garlic and dice the red onion.
- Slice bell peppers into thin slivers.
- In a large pan over medium-high heat, combine:
- Alfredo sauce
- Lime juice
- Cajun seasoning
- Stir continuously and bring to a low boil.
- Add grilled chicken, bell peppers, garlic, and onion.
- Sauté for 5–6 minutes until vegetables soften.
- Add cooked pasta.
- Toss well until pasta is fully coated in sauce.
- Sprinkle smoked mozzarella and cilantro on top.
- Serve hot and enjoy!
Notes
Nutrition
Valuable Information
What To Pair With J Alexander’s Rattlesnake Pasta?
Grilled Asparagus, Garlic Bread, Fresh Vegetable Salad, Green Beans, Garlic Roasted Potatoes, and Grilled Shrimp are the best side dishes for Rattlesnake Pasta.
How To Store & Reheat J Alexander’s Rattlesnake Pasta?
Refrigerate your J Alexander’s rattlesnake pasta in an airtight container and consume it within five days.
To rehydrate the sauce, reheat this dish in individual servings in the microwave with a small splash of milk. Otherwise, the pasta absorbs the liquid while sitting in the fridge, resulting in fewer creamy leftovers.
What Are The Health Benefits Of J Alexander’s Rattlesnake Pasta?
The main ingredients of this J Alexander’s Rattlesnake Pasta are pasta, chicken, vegetables, and Alfredo Sauce. They have many health benefits which I explained in detail below.
Pasta: Tagliatelle pasta is high in energy and can provide fibre made from whole grains. This can help with stomach issues as well as decrease cholesterol.
Chicken: Chicken breast is a high-quality source of lean protein. Chicken also contains vitamin B, vitamin D, calcium, iron, zinc, and trace levels of vitamins A and C.
Vegetables: Eating veggies on a daily basis is beneficial to one’s health. They include vital vitamins, minerals, and nutrients like antioxidants and fiber.
Alfredo Sauce: Vitamin A and calcium are abundant in Alfredo sauce. It is rich in vitamin A (24%) and calcium (35%).
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Conclusion
J Alexander’s Rattlesnake Pasta Recipe is a creamy, spicy, and comforting dish that brings restaurant-quality flavor to your kitchen. With tender grilled chicken, colorful bell peppers, and rich Alfredo Cajun sauce, this pasta is perfect for any occasion.
It’s easy, flavorful, and guaranteed to become a family favorite. Try this homemade copycat recipe today and enjoy bold American comfort food at its best!




awesome recipe … I used jar of Alfredo sauce… tastes just like the restaurant meal. so happy to have this recipe… as my j alexanders is always busy… long waits.. But worth it when I don’t have time to cook.