Go Back
Cajun Shrimp Fettuccine Alfredo Recipe
Ash Tyrrell

Cajun Shrimp Fettuccine Alfredo Recipe

I still remember the first time I made this dish on a random Tuesday when I had nothing planned for dinner and a bag of shrimp thawed in my fridge. I wasn't expecting much, honestly, but one bite of that creamy, spice-kissed sauce and I knew I had found my new go-to pasta night recipe. It's the kind of meal that looks like it took hours but really comes together while my pasta water is still boiling
Total Time 35 minutes
Servings: 4

Ingredients
  

  • 1 pound large raw shrimp peeled and deveined – go for the big, plump shrimp here, not the tiny salad-size ones, or you'll lose that juicy bite
  • 12 ounces fettuccine pasta – classic fettuccine holds the creamy sauce best but any long pasta works in a pinch
  • 2 teaspoons Cajun seasoning divided – this is where the flavor punch comes from, so use a brand you actually like the taste of
  • 1 teaspoon onion powder – builds a savory base without adding texture
  • 1 teaspoon garlic powder – layers in extra garlic flavor alongside the fresh garlic later
  • 1 teaspoon Italian seasoning or Herbes de Provence – adds an herby depth that balances the spice
  • 1 teaspoon paprika – gives the shrimp a beautiful color as it sears
  • 1/2 teaspoon lemon pepper – brightens up the seasoning blend nicely
  • 1 tablespoon olive oil – for searing the shrimp over high heat without burning
  • 2 tablespoons butter – the base of a rich glossy sauce
  • 1 teaspoon minced garlic – fresh garlic makes a real difference here don't skip it
  • 1/3 cup dry white wine or chicken broth – deglazes the pan and adds a subtle depth
  • 2 cups heavy whipping cream – this is what makes the sauce thick and luscious don't substitute with milk
  • 2/3 cup Parmesan cheese freshly grated – pre-shredded cheese has anti-caking agents that keep sauce from getting smooth, so grate it yourself
  • Salt and black pepper to taste – adjust at the end since the seasonings already bring plenty of salt
  • Fresh parsley chopped, for garnish – adds a pop of color and freshness on top

Method
 

  1. Bring a large pot of salted water to a boil and cook your fettuccine until it's just al dente, following the package directions. Once it's done, turn off the heat but don't drain it right away. Let the pasta sit in its warm water while you work on the sauce so it stays moist instead of drying out and clumping.
  2. Toss the shrimp with the onion powder, garlic powder, Italian seasoning, paprika, lemon pepper, and half of the Cajun seasoning. Heat olive oil in a large skillet over medium-high heat, then add the shrimp in a single layer. Cook for about two minutes per side until they turn pink and opaque, then pull them out and tent with foil to keep warm.
  3. In that same skillet, melt the butter over medium heat and scrape up any flavorful browned bits left behind. Add the minced garlic and let it cook for about thirty seconds until fragrant, being careful not to let it burn since burnt garlic turns bitter fast.
  4. Pour in the white wine or chicken broth and stir well, scraping the bottom of the pan to release all that seared shrimp flavor into the liquid. Let it bubble for a minute or two until it reduces slightly, then pour in the heavy cream and bring everything to a gentle simmer.
  5. Stir in the freshly grated Parmesan and the remaining Cajun seasoning, then lower the heat and let the sauce simmer for five to six minutes until it thickens up nicely. Taste it and adjust with salt and pepper as needed before moving on.
  6. Drain your pasta, then add it straight into the skillet along with the cooked shrimp. Toss everything gently until the pasta is completely coated in that creamy sauce. Garnish with fresh parsley and serve it up while it's warm and glossy.

Notes

  • I never rinse my pasta after draining it, since that washes away the starch that helps the sauce cling on.
  • I always taste my sauce before adding extra salt, because the Cajun seasoning already brings a good amount.
  • I grate my own Parmesan every time, since it melts so much smoother than the bagged kind.
  • I keep my heat at medium once the cream goes in, because high heat can make the sauce split or scorch.
  • I sear my shrimp in batches if my pan feels crowded, since overcrowding steams them instead of giving that nice sear.