Chopped Mediterranean Salad

Name: Chopped Mediterranean Salad
Ingredients: 1 tablespoon purchased basil pesto; 2 teaspoons white balsamic vinegar or regular balsamic vinegar; ⅓ cup chopped seeded tomato; ⅓ cup chopped zucchini; ⅓ cup chopped yellow or orange bell pepper; ⅓ cup very small broccoli florets; 1 cup mixed salad greens (Optional); 2 tablespoons crumbled reduced-fat feta cheese