1.In A Bowl, Combine The Uncooked Beef, Olives, Onion, Parmesan Cheese, Tomato Paste, Oregano, Salt And Pepper. Spread To The Edges Of The Cut Surface Of The Bread. 2.Broil 6 In. From The Heat For 8-10 Minutes Or Until The Meat Is Fully Cooked. Top With Tomatoes And Cheese. Broil 2-3 Minutes More Or Until Cheese Is Melted. Serve Immediately.