1. Preheat broiler to high.
2. Place steak on a jelly-roll pan coated with cooking spray. Lightly coat steak with cooking spray; sprinkle with 1/4 teaspoon pepper and 1/4 teaspoon salt. Broil 6 minutes or until desired degree of doneness.
3. Remove steak from pan. Add bread to pan; broil 2 minutes or until browned, stirring frequently.
4. Squeeze seeds and juice from tomato halves into a large bowl; chop remaining tomato halves. Add oil, vinegar, remaining 1/2 teaspoon pepper, and remaining 1/4 teaspoon salt to bowl, stirring with a whisk until combined. Add chopped tomato, steak, bread, and basil to bowl; toss. Serve immediately.