01 -
Bring a large pot of salted water to a boil. Add fettuccine and cook until al dente, about 10 to 12 minutes. Drain well and set aside without rinsing.
02 -
In a large skillet over medium heat, melt unsalted butter. Whisk in all-purpose flour constantly for 30 to 60 seconds until smooth and pale, avoiding browning.
03 -
Gradually pour in whole milk while whisking continuously to prevent lumps. Add cream cheese and whisk until fully incorporated and smooth.
04 -
Stir in freshly grated Parmesan, chopped parsley, garlic powder, onion powder, salt, and pepper. Continue stirring until the sauce is creamy and well combined. Adjust seasoning as needed.
05 -
Gently fold the lump crabmeat into the sauce, warming it through without breaking the pieces. Avoid overcooking to maintain tenderness.
06 -
Toss the drained fettuccine with the crab Alfredo sauce to coat evenly, or plate pasta and spoon the sauce atop each serving. Garnish with extra parsley if desired. Serve immediately.