Savory Roasted-Vegetable Pitas

Ingredients

• Marinated Vegetables:
• 3 tablespoons water
• 2 tablespoons olive oil
• 1 1/2 tablespoons minced fresh or 1 1/2 teaspoons dried oregano
• 2 teaspoons balsamic vinegar
• 2 teaspoons Dijon mustard
• 1 1/2 teaspoons fresh lemon juice
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 2 garlic cloves, minced
• 8 whole mushrooms (about 4 ounces)
• 6 (1/2-inch-thick) slices eggplant (about 1/2 pound)
• 3 (1/2-inch-thick) slices onion
• 1 medium yellow squash, halved lengthwise
• 1 medium zucchini, halved lengthwise
• Remaining Ingredients:
• Cooking spray
• 2/3 cup diced tomato
• 1/4 cup chopped bottled roasted red bell peppers
• 4 (6-inch) whole-wheat pitas, cut in half and toasted
• 8 (1/2-ounce) slices part-skim mozzarella cheese