Preheat oven to 425°. In a greased 15x10x1-in. baking pan, pat dough into a 13x8-in. rectangle. Sprinkle Parmesan cheese to within 1/2 in. of edges. , On half of the dough, layer the ham, salami, onion, green pepper and tomato to within 1 in. of edges. Sprinkle with mozzarella cheese. Fold dough over filling; pinch edges to seal. Cut slits in top. , Bake 20-22 minutes or golden brown. Let stand 10 minutes. Cut into four pieces.