Preheat the oven to 350 degrees
Place tomato wedges on a baking sheet coated with cooking spray. Lightly coat the tomatoes with cooking spray and sprinkle with ¼ teaspoon salt and pepper. Bake at 350 degrees for 1 hour.
Place tomatoes, remaining ¼ teaspoon salt, vinegar, broth, olive oil, mustard, sugar, and garlic in a blender or food processor. Blend until smooth. Pour into a medium bowl.
Add onion, bell pepper, ¼ cup cilantro, and beans to the tomato mixture. Toss well. Serve chilled or at room temperature.
Adapted from Weight Watchers Recipes