Broiled summer veggies with balsamic vinegar recipe

Ingredients

• 1 red bell pepper, seeded and sliced
• 1 zucchini, sliced
• 1 red onion, sliced
• 2 portobello mushrooms, caps sliced
• 2 tablespoons olive oil
• 1 teaspoon dried oregano
• 1 tablespoon balsamic vinegar
• 1/3 teaspoon salt
• 1/4 teaspoon black pepper