Ingredients
🍤 Ingredients You’ll Need
For the Pasta
12 ounces fettuccine pasta
Salt, for the pasta water
For the Shrimp
1 pound large shrimp, peeled and deveined
1 tablespoon olive oil
1 tablespoon butter
1/2 teaspoon garlic powder
1/4 teaspoon paprika
Salt and black pepper, to taste
For the Mushrooms
2 tablespoons butter
8 ounces mushrooms, sliced
2 cloves garlic, minced
1/2 teaspoon Italian seasoning
Salt and black pepper, to taste
For the Alfredo Sauce
2 tablespoons butter
1 cup heavy cream
3/4 cup freshly grated Parmesan cheese
1/4 cup reserved pasta water, plus more as needed
1 tablespoon chopped fresh parsley
Extra Parmesan, for serving
🍄 Ingredient Notes
Fettuccine is the classic choice here because the wide noodles hold onto the creamy Alfredo sauce beautifully. You can use linguine if that is what you have, but fettuccine gives the dish that cozy restaurant-style feel.
Shrimp cooks quickly, which makes this recipe faster than it looks. Large shrimp look beautiful on top of the pasta, but medium shrimp will also work.
Mushrooms are important because they give the Alfredo sauce more flavor. Without them, this would still be good, but the mushrooms add that savory, earthy bite that makes the dish feel more complete.
Fresh Parmesan is best. The pre-shredded kind does not always melt as smoothly because it often has anti-caking ingredients. For a creamy sauce, grate it fresh if you can.
Heavy cream gives the sauce its silky texture. This is not the place where I would try to make a watery version and pretend it is the same thing. Alfredo needs a little richness.
If you like bold seafood pasta but want something tomato-based instead of creamy, my Shrimp Linguine Puttanesca is a good one to try another night. Same shrimp comfort, completely different flavor mood.
Instructions
Bring a large pot of salted water to a boil.
Add the fettuccine and cook according to the package directions until al dente.
Before draining, reserve about 1 cup of pasta water. Drain the pasta and set it aside.
💡 Light Bulb Tip: Do not skip the pasta water. It helps loosen the Alfredo sauce and makes it cling to the noodles instead of sitting at the bottom of the pan.
Pat the shrimp dry with paper towels.
Season with garlic powder, paprika, salt, and black pepper.
💡 Light Bulb Tip: Dry shrimp sear better. If the shrimp are wet, they steam instead of getting that lightly golden edge.
Heat olive oil and butter in a large skillet over medium-high heat.
Add the shrimp in a single layer. Cook for 2–3 minutes per side, or until pink and opaque.
Transfer the shrimp to a plate and set aside.
💡 Light Bulb Tip: Shrimp cooks fast. Pull it from the pan as soon as it turns pink and curls slightly. It will stay much more tender.
In the same skillet, add 2 tablespoons butter.
Add the sliced mushrooms and cook for 5–7 minutes, stirring occasionally, until they soften and start to brown.
Add the minced garlic, Italian seasoning, salt, and black pepper. Cook for another 30 seconds, just until fragrant.
💡 Light Bulb Tip: Give the mushrooms time to brown before adding the cream. If you rush them, they can taste watery instead of savory.
Lower the heat to medium.
Add the butter and heavy cream to the skillet with the mushrooms. Stir gently and let the cream warm through.
Add the Parmesan cheese a little at a time, stirring until melted and smooth.
💡 Light Bulb Tip: Keep the heat moderate when adding Parmesan. High heat can make the cheese clump or turn grainy.
Add the cooked fettuccine to the skillet.
Toss gently until the noodles are coated in the mushroom Alfredo sauce.
Add reserved pasta water, a few tablespoons at a time, until the sauce becomes silky and coats the pasta nicely.
💡 Light Bulb Tip: Alfredo sauce thickens as it sits. Add pasta water slowly so you can control the texture.
Return the cooked shrimp to the skillet.
Toss gently, or place the shrimp on top of the pasta for a prettier presentation.
Sprinkle with fresh parsley, extra Parmesan, and black pepper.
💡 Light Bulb Tip: Add the shrimp at the end so it warms through without overcooking.
Serve the shrimp mushroom fettuccine Alfredo warm, while the sauce is creamy and loose.
Add extra Parmesan on top if you like.
💡 Light Bulb Tip: Creamy pasta is best fresh. If it sits too long, the sauce thickens. A splash of warm pasta water or cream can bring it back.