Choose the beef you are going to use. It calls for Sirloin, but only because it doesn't have to cook long to be tender. If you use a cheaper cut, you may have to simmer up to 2 hours. I have even used rib eye! Cut beef into bite size pieces.
Heat a little olive oil in a skillet (skillet should be deep enough to hold all the ingredients)
If desired, dredge meat in seasoned flour (or salt & pepper bare meat. I skip the flour, just because its healthier). If you dredge in flour, you will have to watch it closer so it doesn't stick and burn. I choose to just brown the bare meat in the olive oil.
You don't have to add more mushrooms, but I do if I have them on hand. Either canned, or while the meat is cooking saute fresh mushrooms in butter or olive oil, then add to beef mixture.
When meat chunks are no longer pink, stir in both soups. Add the ketchup, worcestershire, garlic. You may add more pepper too if you'd like. It's all in the taste!
Cover and simmer, stirring frequently so it doesn't stick. Meanwhile, boil your noodles, then drain.
When your meat is tender (depending on what you used) turn off the heat and stir in your sour cream if you'd like (my family does not really like the sour cream, so I usually skip it.)