Provence Veggie Sandwich

Name: Provence Veggie Sandwich
Ingredients: 1 medium eggplant; 1 zucchini; Salt; 1 large head garlic; 2 teaspoons olive oil or olive oil cooking spray; 1/8 cup black olives, pitted; 1 large plum tomato, peeled, seeded and diced; 1/4 teaspoon red pepper flakes; 1 teaspoon balsamic vinegar; 1 1/4 teaspoons Herbes de Provence; 1 red bell pepper, seeded, cored and cut in half; 1 yellow bell pepper, seeded, cored and cut in half; 4 red-leaf lettuce leaves; 2 ounces goat cheese, optional; 2 French rolls or baguette sliced in half; Pepper