Saute vegetables in olive oil until limp; add roast beef. Saute for three more minutes. Add Worchestershire sauce and seasonings; cook 2-3 minutes more and remove from heat. Set aside. Dust work surface with flour and roll out bread dough to fit a 25 cm x 38 cm cookie sheet. Grease cookie sheet; fit dough into pan, making a rim of dough around edges of pan. Brush with remaining olive oil and spread crushed garlic over entire surface of dough. Top with a light layer of shredded cheese, then meat/vegetable mixture, distributing evenly. Top with remaining shredded cheese, then Parmesan. Bake at 200ºC for 20-25 minutes or until cheese is melted and bubbly. Let sit 5 minutes before cutting and serving.