Cook pasta according to package directions. In a large skillet, cook lamb, onion and garlic in oil over medium heat until meat is no longer pink and vegetables are tender; drain. Set aside and keep warm.
In same skillet, combine the zucchini, tomatoes, mushrooms, basil, pepper and seasoned salt. Cover and cook over medium heat for 5 minutes or until vegetables are tender. Drain pasta. Add pasta along with olives and lamb mixture to skillet; heat through.