This Cajun shrimp pasta pairs fettuccine and tender shrimp with a silky garlic-Parmesan cream sauce, a little heat, and a bright squeeze of lemon. It comes together in about 35 minutes, and reserved pasta water helps the sauce cling to every strand without turning heavy.
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A balanced Cajun cream sauce
Cajun seasoning brings paprika, herbs, and pepper to the shrimp, while garlic and Parmesan make the sauce savory. Heavy cream is simmered gently, not boiled hard, and a little starchy pasta water adjusts the consistency. Seasoning blends differ in salt and heat, so taste the sauce before adding any extra salt.
Ingredient tips
Large peeled, deveined shrimp are convenient and cook quickly. If using frozen shrimp, thaw them fully and pat dry so they sear instead of steaming. Fettuccine works well, but linguine or penne are suitable substitutes. Finely grated Parmesan melts more smoothly than coarse shreds. Keep the reserved pasta water nearby, but add it gradually; you may not need the full amount.
How to make Cajun shrimp pasta
1. Cook the pasta
Bring a large pot of salted water to a boil and cook the fettuccine until al dente, following the package timing. Before draining, reserve about 1/2 cup of the starchy water. It will help loosen and emulsify the sauce later.
2. Sear the seasoned shrimp
Pat the shrimp dry and toss with Cajun seasoning. Heat olive oil in a large skillet over medium-high heat. Add the shrimp in a single layer and cook for about 1 1/2 to 2 minutes per side, in batches if needed, until opaque and cooked through. Transfer them to a plate so they do not overcook while you make the sauce.
3. Make the sauce and toss
Reduce the heat to medium and melt the butter. Stir in the garlic for about 30 seconds, just until fragrant. Add the cream and simmer gently for 2 to 3 minutes. Stir in Parmesan until smooth. Add the drained pasta and toss, adding reserved pasta water a tablespoon at a time until the sauce coats the noodles. Return the shrimp to the skillet, warm briefly, and finish with parsley, lemon juice, and black pepper.
Serving, substitutions, and storage
- Adjust the heat: Start with less Cajun seasoning if your blend is very spicy; you can add a pinch at the end.
- Use another protein: Thinly sliced chicken can replace shrimp, but cook it completely before making the sauce. Avoid crowding the pan.
- Store leftovers: Refrigerate in a covered container and use within 2 days for best texture. Reheat gently over low heat with a splash of milk or water; avoid boiling the cream sauce.
- More dinner ideas: Try our homemade chicken noodle soup for a cozy bowl or easy shakshuka for a skillet meal built around eggs and tomatoes.
Estimated nutrition
Approximate values per serving (1/4 of the recipe). Cajun seasoning, pasta brands, and the amount of sauce used can change the numbers.
| Nutrient | Amount |
|---|---|
| Calories | 620 kcal |
| Carbohydrates | 65 g |
| Protein | 38 g |
| Total fat | 22 g |
| Saturated fat | 11 g |
| Fiber | 3 g |
| Total sugars | 3 g |
| Sodium | 900 mg |
More easy dinner recipes
For another hearty one-pot dinner, browse our Italian minestrone. If you are in the mood for something bright and tomato-based, our creamy homemade tomato soup is another comforting option.
Cajun Shrimp Pasta
Ingredients
Equipment
Method
- Bring a large pot of salted water to a boil. Cook the fettuccine until al dente according to the package directions. Before draining, reserve 1/2 cup pasta water.
- Pat the shrimp dry and toss with the Cajun seasoning. Heat the olive oil in a large skillet over medium-high heat. Cook the shrimp in a single layer for about 1 1/2 to 2 minutes per side, working in batches if needed, until opaque and cooked through. Transfer to a plate.
- Reduce the heat to medium. Add the butter and garlic to the skillet and cook for about 30 seconds, stirring, just until fragrant. Pour in the cream and bring it to a gentle simmer for 2 to 3 minutes; do not boil hard. Stir in the Parmesan until smooth.
- Add the drained pasta and toss to coat, loosening the sauce with pasta water a tablespoon or two at a time. Return the shrimp to the skillet and warm briefly. Finish with parsley, lemon juice, and black pepper. Taste before adding salt because Cajun seasoning and Parmesan can be salty.
- Serve immediately while the sauce is creamy; add a splash of reserved pasta water if it thickens.
