Bring a large pot of water to a boil on the stove. Add the pasta and cook according to the package instructions, drain and set to the side
While the pasta is cooking to a large pan on the stove over medium high heat add the oil once the oil is hot add in the mushrooms, onion, bell pepper, and ground beef break the ground beef up and cook it though.
While the ground beef is cooking to a small bowl add in the water and cornstarch whisk well now whisk in the French onion soup, and Worcestershire sauce.
Once the ground beef is cooked and the vegetables are tender stir in the sauce.
Stir in the cooked pasta and cheese. Let simmer for 2 minutes and serve.