Ingredients

3/4 pound boneless, skinless chicken breast, cut into 18 chunks
18 cherry tomatoes
1 medium zucchini, trimmed and cut into 18 rounds
1 large yellow pepper, cored, seeded, and cut into 18 wedges
1 small sweet onion (try Walla Walla), trimmed and cut into 18 chunks
3 tablespoons balsamic vinegar
1 tablespoon Dijon mustard
4 tablespoons extra-virgin olive oil
Salt and freshly ground black pepper to taste
1/2 a 14-ounce round whole-wheat bread loaf, cut into four slices
10 cups baby arugula leaves, rinsed and spun dry
2 cups torn fresh basil leaves
1 cup cooked chickpeas (rinsed and drained if canned)