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Salmon and Shrimp Alfredo Pasta Recipe

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4 from 43 reviews

This flavorful Salmon and Shrimp Alfredo Pasta combines succulent seared seafood with a creamy tomato-infused Alfredo sauce, tossed with perfectly cooked spaghetti. A harmonious blend of Cajun spices, aromatic herbs, and Parmesan cheese makes this dish a comforting yet elegant seafood pasta meal.

Ingredients

Pasta

  • 12 ounces spaghetti (or pasta of your choice)

Seafood

  • 1 pound skinless salmon fillets, cut into 1-inch cubes
  • 1 pound shrimp, peeled and deveined

Seasonings

  • 2 tsp salt
  • 1 tsp black pepper
  • 2 tsp Cajun seasoning

Cooking Fats

  • 1 tbsp olive oil
  • 1 tbsp unsalted butter

Vegetables & Aromatics

  • 1 onion, diced
  • 4 garlic cloves, minced
  • 2 tomatoes, deseeded and diced

Liquids & Sauces

  • ¼ cup dry white wine (or fish or vegetable broth)
  • 2 tbsp tomato paste
  • 1 ½ cups heavy cream

Herbs & Cheese

  • 1 tsp dried rosemary
  • 2 tbsp chopped parsley
  • 1 cup grated Parmesan cheese

Instructions

  1. Boil the Pasta: Bring a large pot filled with generously salted water to a rolling boil. Add the spaghetti and cook according to the package instructions until al dente. Drain and set aside.
  2. Prepare Seafood: Pat the salmon fillets dry and cut into 1-inch cubes. In a bowl, combine the salmon cubes, peeled and deveined shrimp, salt, black pepper, and Cajun seasoning. Mix gently to coat the seafood evenly and set aside.
  3. Prep Vegetables and Aromatics: Quarter the tomatoes, remove the seeds, cut into strips and then dice them. Mince the garlic cloves, dice the onion, and chop the parsley. Grate the Parmesan cheese.
  4. Sear Seafood: Heat the olive oil and butter over high heat in a large nonstick skillet. Place the salmon and shrimp in a single layer and sear for 1 minute on each side until lightly browned. Remove the seafood from the skillet into a clean bowl—if your skillet is small, do this in batches to avoid steaming instead of searing.
  5. Sauté Vegetables: Reduce the skillet heat to medium and add the diced onion, minced garlic, and diced tomatoes. Cook for about 2 minutes until they are soft and fragrant.
  6. Deglaze and Create Sauce Base: Pour in the dry white wine (or broth alternative) and simmer for 2 minutes, scraping the browned bits off the bottom of the skillet with a wooden spoon for extra flavor.
  7. Incorporate Flavorings and Cream: Stir in dried rosemary and tomato paste until combined. Then pour in the heavy cream and bring the sauce to a gentle simmer.
  8. Finish the Sauce: When the sauce starts bubbling, add chopped parsley and grated Parmesan cheese. Let it simmer for about 1 minute to meld all flavors and thicken slightly.
  9. Combine Pasta and Seafood: Toss the cooked spaghetti, seared salmon, and shrimp into the creamy sauce. Simmer everything together for 1-2 minutes just to heat through and blend flavors.
  10. Adjust and Serve: Taste and adjust seasoning with salt if needed. If the sauce is too thick, add a splash of reserved cooking water from the pasta to loosen it. Serve immediately and enjoy your creamy, indulgent seafood Alfredo pasta.

Notes

  • Cooking the seafood in batches ensures proper searing and prevents steaming.
  • Removing seeds from the tomatoes prevents excess water in the sauce for better texture.
  • You can substitute the white wine with fish or vegetable broth if preferred.
  • Use freshly grated Parmesan for best flavor and a smoother sauce.
  • Reserve some pasta cooking water to adjust sauce consistency after combining.