Brown the beef tips into a medium saucepan in some oil. This is just to brown it no need to cook all the way through.
In a measuring cup put 1 cup water, soy sauce and Worcestershire Sauce. Stir it then add to the beef tips.
Turn the heat to low then cover. Let cook for 1-1/2 hours making sure to check every 30 minutes.
During the last 20 minutes in a separate pot cook the noodles according to package directions. Bring the water to a boil before adding to the pot it cooks the noodles better and they stick together. Cook for 12-14 minutes then empty into a strainer.
Turn the low simmering beef tips up to high. In a bowl add the other cup of water and the package of brown gravy. Stir to combine and add to the beef tips. Let cook and thicken up while you do the next part.
In the pot that the noodles cooked add 1 Tbs butter and start melting it. Then add the mushrooms, onions and garlic and sautee until the mushrooms are cooked down. It should take about 8 minutes.
Finally to this pot add the beef tips and gravy then the noodles.