Grilled Lemon Chicken and Vegetable Sandwich

Ingredients

• 1 tablespoon olive oil
• 2 tablespoons lemon juice
• 2 tablespoons chopped fresh oregano
• 1 tablespoon snipped fresh chives
• Salt and pepper to taste
• 4 boneless/skinless chicken breasts
• 1 medium zucchini, thinly sliced horizontally
• 1 Portobello mushroom, sliced
• 1/2 red bell pepper, halved
• 1/2 red onion, halved
• 2 tablespoons olive oil
• 4 whole wheat hamburger buns

Directions:

1. In a shallow bowl, stir together olive oil, lemon juice, oregano, chives, and salt and pepper to taste.
2. Add chicken breasts and turn to coat. Marinate in the refrigerator for 30 minutes, or up to 8 hours.
3. Brush the zucchini, mushroom, bell pepper, and red onion with olive oil.
4. Grill over medium heat for 3 to 5 minutes on each side, until browned. Cut vegetables into smaller pieces for topping the sandwiches. 
5. Grill marinated chicken breasts over medium heat for 4 to 5 minutes on each side, until cooked through. 
6. Top with grilled vegetables and serve on hamburger buns.