Sprinkle desired amounts of salt and pepper on the bottom of a dinner plate. Lay diced chicken over top. Sprinkle with additional salt and pepper, and garlic if desired.
Sit meat in fridge for 10-20 minutes.
Mix butter, cream, cheese, basil, garlic, salt and pepper together until mixture is dry and crumbly looking - this is your alfredo sauce.
Set alfredo sauce aside.
Cook pasta according to package directions.
Heat oil in a skillet on med/hi and cook chicken pieces until browned.
Drain pasta, add in meat and sauce and stir.
Serve immediately.
Recipe by A Proverbs 31 Wife at https://aproverbs31wife.com/recipe-creamy-fettuccine-alfredo/