Boil water and cook egg noodles according to package directions. (Or heat up your rice, or mashed potatoes) When done cooking, drain and set aside till needed.
Add butter to a large saute pan or skillet over medium high heat until it is melted.
Whisk in the flour until it is clumpy, then continue to stir it, and allow it to cook until it starts to turn brown.
Slowly pour in the beef broth and the heavy cream until smooth, whisking as you pour in the liquids.
Stir in the Worcestershire, salt, and pepper.
Lower the heat, and let your sauce continue to simmer.
Microwave your meatballs according to package directions, or about 5 minutes (they don't need to fully heat up since they will simmer with the sauce)
Add the meatballs to sauce and simmer for about 5 minutes.
Sprinkle with parsley, if desired.
Serve sauce and meatballs however desired, and enjoy.