01 -
Bring a large pot of salted water to a boil. Add fettuccine and cook according to package instructions until al dente. Drain and set aside.
02 -
In a large skillet over medium heat, melt unsalted butter. Add all-purpose flour and whisk continuously for 30 to 60 seconds until the mixture is smooth and bubbling.
03 -
Gradually pour in whole milk, whisking constantly to prevent lumps. Add cream cheese and whisk until fully incorporated and smooth.
04 -
Stir in freshly grated Parmesan cheese, chopped parsley, garlic powder, onion powder, salt, and pepper. Continue stirring until the sauce is creamy and well combined.
05 -
Gently fold in lump crabmeat, allowing it to heat through without breaking up the pieces.
06 -
Toss drained fettuccine with the Alfredo-crab sauce or spoon sauce over individual servings. Garnish with additional parsley if desired and serve warm.