2. Step
Combine tomatoes, bell pepper, onion, olives and the remaining 1 tablespoon oil and 1/4 teaspoon pepper in a large bowl; toss well to coat. Spread in an even layer on a large rimmed baking sheet . Broil until the vegetables are lightly charred and tender, 8 to 10 minutes, stirring halfway through. Transfer the vegetables to a large bowl; discard the pan juices.