01 -
Bring a large pot of water to a boil and cook the egg noodles according to package instructions until al dente. Drain and set aside.
02 -
Melt 3 tablespoons of butter in a large skillet over medium-high heat. Stir in 3 tablespoons of flour and cook for at least one minute, stirring continuously to form a roux.
03 -
Gradually whisk in 2 cups of beef broth until smooth. Season with salt, pepper, Italian seasoning, garlic powder, and onion powder. Simmer the mixture, stirring occasionally, until it thickens.
04 -
Stir in 1 tablespoon of Dijon mustard and 2 tablespoons of Worcestershire sauce, blending thoroughly into the sauce.
05 -
Add the precooked meatballs to the skillet and cover with a lid. Reduce heat slightly and cook until meatballs are heated through.
06 -
Remove the skillet from heat and stir in 1 cup of sour cream until fully incorporated. Add the cooked egg noodles and mix gently to combine evenly.
07 -
Garnish with fresh or dried parsley and serve immediately.