If you’re hunting for a show-stopping pasta dish that’s as quick as it is luxurious, look no further than this Crab Fettuccine Alfredo Recipe. Imagine tender strands of fettuccine swirled in a creamy, dreamy Alfredo sauce that hugs every noodle, topped off with delicate lumps of sweet crabmeat. It’s the ultimate comfort food when you want something special for date night or just need to treat yourself midweek. Every bite is a little taste of decadence, and best of all, it’s ready in just 30 minutes!

Ingredients You’ll Need
This ingredient list is all about simple essentials working together in harmony. Each one has a role to play: the pasta brings hearty texture, the cheeses add creaminess and richness, and the fresh parsley adds color and brightness. Here’s what you’ll need (plus a few helpful hints!):
- Fettuccine Pasta: Go for classic fettuccine—its wide, flat shape is perfect for holding onto creamy sauces.
- Butter: Unsalted butter gives you control over the saltiness and a luscious base for your Alfredo.
- All-Purpose Flour: This is the thickener that makes your sauce gloriously velvety (just a touch so it stays silky, not pasty).
- Whole Milk: For creaminess without being too heavy—you could use half-and-half if you want extra richness.
- Cream Cheese: Adds stability and extra creaminess to your Alfredo sauce, ensuring it’s always smooth.
- Freshly Grated Parmesan Cheese: The star of the classic Alfredo flavor; freshly grated melts better than pre-shredded.
- Chopped Fresh Parsley: A sprinkle of green freshness to offset the richness and bring color to the plate.
- Garlic Powder: The subtle warmth and depth it adds can’t be beat (no chopping required!).
- Onion Powder: Lends a gentle savory note that rounds out the sauce.
- Salt and Pepper: Essential to taste—try white pepper for a classic look, or black for added punch.
- Lump Crabmeat: Sweet, tender, and elegant—pick over for shells to ensure every forkful is perfect.
How to Make Crab Fettuccine Alfredo Recipe
Step 1: Cook the Fettuccine
Start by bringing a big pot of salted water to a rolling boil. Add your fettuccine and cook until it’s just al dente—usually about 10 minutes but check your package for exact timing. Drain the pasta, give it a quick toss with a bit of olive oil to prevent sticking, and set it aside. This step lays the foundation for the entire Crab Fettuccine Alfredo Recipe so don’t rush it!
Step 2: Make a Roux
Grab your favorite large skillet and melt the butter over medium heat. Sprinkle in the flour and whisk constantly for about 30 to 60 seconds. This forms a quick roux, which is your ticket to a perfectly thick and creamy Alfredo sauce (no lumps in this kitchen!).
Step 3: Add Milk and Cream Cheese
Gradually pour in the whole milk while whisking nonstop. Add the pieces of cream cheese and keep whisking until the mixture is smooth and starting to thicken. This step ensures that the Alfredo base is ultra-creamy, with just the right amount of body.
Step 4: Flavor the Sauce
Time to bring in the big flavor! Stir in the freshly grated Parmesan cheese, chopped parsley, garlic powder, onion powder, salt, and pepper. Mix until everything is melted and the sauce becomes luxuriously creamy. The aroma will be downright irresistible at this point.
Step 5: Add the Crabmeat
Gently fold in the lump crabmeat, being careful not to break up those beautiful big pieces—just heat through so the crab is warmed but not overcooked. This is what takes the Crab Fettuccine Alfredo Recipe from good to absolutely decadent.
Step 6: Combine and Serve
Add the cooked fettuccine back into the pan and toss it gently with the Alfredo sauce, or if you prefer, heap the pasta onto plates and spoon the sauce generously over the top. Either way, it’s ready for its close-up!
How to Serve Crab Fettuccine Alfredo Recipe

Garnishes
Finishing touches make all the difference here. Try a generous sprinkle of fresh parsley, a crack of black pepper, and perhaps a little extra Parmesan. For a pop of brightness, a tiny bit of lemon zest over the top is divine—it lifts the whole dish without overpowering it.
Side Dishes
Balance out the richness with something crisp and fresh. Think simply dressed arugula, a tangy tomato salad, or some roasted asparagus. And of course, don’t forget a hunk of crusty bread or homemade garlic toast to mop up every bit of that luxurious sauce.
Creative Ways to Present
For a real wow factor, serve the Crab Fettuccine Alfredo Recipe in shallow pasta bowls or even edible Parmesan frico cups. Or, try twirling the pasta into pretty nests before topping with big flakes of crab. If you’re entertaining, serve mini portions in appetizer-sized ramekins as an unforgettable starter.
Make Ahead and Storage
Storing Leftovers
If you have leftovers, pop them in an airtight container and store them in the refrigerator for up to two days. The key is to let the dish cool fully before sealing to keep the seafood fresh and the sauce from getting watery.
Freezing
While the Crab Fettuccine Alfredo Recipe is best enjoyed fresh, you can freeze it in a pinch. Place portions in freezer-safe containers and freeze for up to one month. Just know the sauce may separate slightly after thawing, but a good stir can help bring it back to life.
Reheating
For best results, reheat gently on the stovetop over low heat with a splash of milk, stirring frequently until warmed through. Avoid microwaving if possible, as the sauce can get too hot and break.
FAQs
Can I use imitation crab instead of lump crabmeat?
You can use imitation crab if you’re in a pinch or on a budget, but the sweet, delicate flavor of real lump crabmeat is what makes this Crab Fettuccine Alfredo Recipe shine. If you do use imitation, try to find the flaked variety for the best texture.
Is there a way to lighten up the Alfredo sauce?
Absolutely! Substitute low-fat milk for whole milk and use reduced-fat cream cheese to cut the richness a bit. You can also add more fresh herbs or a splash of lemon juice for extra brightness without extra calories.
Can I make this recipe gluten-free?
Yes! Simply use gluten-free fettuccine and swap the flour for a gluten-free all-purpose blend. The rest of the Crab Fettuccine Alfredo Recipe stays exactly the same, and the flavor won’t suffer a bit.
What kind of Parmesan works best?
Freshly grated Parmesan is your best bet here for meltability and pure flavor. Those green cans of pre-grated cheese just don’t deliver the same creamy result.
Can I add other seafood to the dish?
Definitely! Feel free to experiment by adding a few seared scallops or some sautéed shrimp to the mix—just keep in mind to cook each seafood gently so nothing gets tough. The base Crab Fettuccine Alfredo Recipe is a fantastic canvas for your favorite ocean flavors.
Final Thoughts
If you love creamy pasta dishes or want to impress someone special, this Crab Fettuccine Alfredo Recipe is sure to hit all the right notes. The combination of tender pasta, sweet crab, and that velvety sauce is pure magic. I hope you’ll give it a try the next time you need a little indulgence—happy cooking!
PrintCrab Fettuccine Alfredo Recipe
A creamy, indulgent pasta dish featuring tender fettuccine and sweet lump crabmeat in a velvety Alfredo sauce, perfect for weeknights or special occasions.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Stovetop
- Cuisine: American
- Diet: Gluten Free
Ingredients
Fettuccine:
- 12 oz fettuccine pasta
Alfredo Sauce:
- 4 tbsp butter
- 2 tbsp all-purpose flour
- 2 cups whole milk
- 4 oz cream cheese, cut into pieces
- 3/4 cup freshly grated Parmesan cheese
- 2 tbsp chopped fresh parsley
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- Salt and white or black pepper to taste
Crabmeat:
- 8 oz lump crabmeat, picked over for shells
Instructions
- Cook Fettuccine: Bring a large pot of salted water to a boil and cook fettuccine until al dente. Drain and set aside.
- Prepare Alfredo Sauce: In a large skillet over medium heat, melt the butter. Add flour and whisk constantly for 30–60 seconds. Gradually add milk, whisking to avoid lumps. Stir in cream cheese until smooth. Add Parmesan cheese, parsley, garlic powder, onion powder, salt, and pepper. Stir until sauce is creamy.
- Combine with Crabmeat: Gently fold in the crabmeat and let it warm through without over-stirring.
- Serve: Toss fettuccine with the sauce or spoon sauce over individual servings. Garnish and serve warm.
Notes
- Do not overcook the crab as it’s already cooked—just warm it through gently.
- Add a splash of lemon juice or zest for brightness.
- You can substitute shrimp or scallops for the crab if desired.
- For a gluten-free version, use GF pasta and a gluten-free flour substitute.
Nutrition
- Serving Size: 1 serving
- Calories: 630
- Sugar: 5g
- Sodium: 780mg
- Fat: 30g
- Saturated Fat: 17g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 59g
- Fiber: 3g
- Protein: 28g
- Cholesterol: 165mg