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Creamy Cajun shrimp pasta is a flavorful dish made with tender shrimp, penne pasta, and a rich Parmesan cream sauce seasoned with Cajun spices. This easy dinner recipe comes together in under 30 minutes, making it perfect for busy weeknights or special occasions. With bold flavors, creamy texture, and just the right amount of spice, this shrimp pasta is a restaurant-quality meal you can make at home.

Ingredients

8 oz penne pasta
1 lb large shrimp, peeled and deveined
1 Tbsp olive oil
2 Tbsp Cajun seasoning, divided (adjust to taste depending on brand)
2 Tbsp unsalted butter
2 garlic cloves, minced
½ cup diced tomatoes
1 ½ cups heavy whipping cream
½ cup grated Parmesan cheese, plus more for serving
2 Tbsp chopped parsley, for garnish (optional)

Instructions

Cook the Pasta
Bring a large pot of salted water to a boil. Cook the penne pasta until al dente according to package directions. Reserve a small amount of pasta water, then drain and set aside, keeping the pasta warm.
Cook the Shrimp
Toss the shrimp with 1 Tbsp of Cajun seasoning. Heat olive oil in a deep skillet over medium heat. Add the shrimp in a single layer and sauté for 1–2 minutes per side, until pink and opaque. Transfer to a plate and cover to keep warm.
Make the Sauce
In the same skillet, melt butter. Add minced garlic and cook for 30 seconds until fragrant. Stir in diced tomatoes and sauté for 2–3 minutes.
Pour in the heavy cream, remaining 1 Tbsp Cajun seasoning, and Parmesan cheese. Bring to a gentle simmer, then reduce heat and cook for 2–3 minutes until the sauce thickens.
Combine and Serve
Return the shrimp and pasta to the skillet. Toss until the pasta is well coated and heated through. If the sauce is too thick, add a splash of reserved pasta water.
Serve hot, topped with extra Parmesan and fresh parsley if desired.

Why You’ll Love This Recipe

Creamy, flavorful pasta with a spicy Cajun kick
Easy weeknight dinner ready in under 30 minutes
Uses simple, everyday ingredients
Comfort food with a restaurant-quality taste

Tips

Don’t overcook the shrimp—they cook quickly and turn rubbery if left too long.
Use freshly grated Parmesan for the smoothest, creamiest sauce.
Reserve pasta water to adjust sauce consistency as needed.
Taste the sauce before serving—brands of Cajun seasoning vary in spice and saltiness.

Variations and Substitutions

Protein Swap: Replace shrimp with chicken, scallops, or sausage.
Vegetable Boost: Add spinach, bell peppers, or mushrooms for extra nutrition.
Lighter Option: Use half-and-half instead of heavy cream (sauce will be thinner).
Pasta Choices: Try fettuccine, linguine, or rigatoni instead of penne.

FAQs

Can I make this dish less spicy?
Yes, reduce the Cajun seasoning or use a mild version.

Can I make it ahead of time?
It’s best fresh, but you can store leftovers in the fridge for up to 2 days. Reheat gently with a splash of cream or milk.

Can I use frozen shrimp?
Yes, just thaw and pat dry before seasoning and cooking.

Serving and Suggestions

Serve with garlic bread or crusty baguette to soak up the creamy sauce.
Pair with a crisp green salad for balance.
Add roasted vegetables on the side for a heartier meal.
Perfect for date nights, family dinners, or entertaining guests.