Vegetables

• 1 small zucchini (sliced into thin strips)
• 1 small eggplant (sliced thin)
• 1 red bell pepper red bell pepper (cut into strips)
• 1 yellow bell pepper yellow bell pepper (cut into strips)
• 1 small red onion (sliced into rings)
• 2 tablespoons olive oil
• to taste Salt and black pepper
• 0.5 teaspoon dried oregano
• 0.5 teaspoon chili flakes (optional)
• 8 slices ciabatta sourdough or multigrain bread
• 4 tablespoons butter (softened, for spreading)
• 4 slices mozzarella or provolone cheese
• 2 tablespoons pesto or mayonnaise (optional spread)
• as needed Fresh basil or spinach leaves
• as needed Sun-dried tomatoes
• for extra cheesy flavor Grated parmesan