Cook spaghetti according to package directions, omitting salt and fat; drain and set aside.
Heat a large nonstick skillet coated with cooking spray over high heat. Add mushrooms, and sauté 4 minutes or until tender. Add seasoning blend, and cook 1 minute. Add soup and next 4 ingredients; reduce heat to medium, and simmer 5 minutes or until thickened. Add spaghetti; toss well.
Place pasta mixture on each of 4 plates; top each serving with Parmesan cheese. Serve immediately.