Heat a large pot of water to boiling adding a little oil to the water.

Brown hamburger in a large skillet on med. heat till barely cooked, about 5 min. then drain the grease.

Add the butter, onions and mushrooms to hamburger and cook another 5 min. stirring often.

In a large measuring cup or bowl measure out the milk and gravy mix and wisk together thoroughly.

Meanwhile add noodles to boiling water and stir periodically. Cook for 7 min.

Turn heat to low - med. and stir in milk mixture and whorsteshire sauce.

When noodles are done drain and stir in a little butter so noodles don't stick, cover and set aside.

Stir seasonings into sauce and cook till thickened

Turn off heat and stir in the sourcream, saving some for on top.

Serve sauce over the noodles and top with a dollop of sour cream and fresh parsley. Enjoy!