Chicken With Arugula Pesto

INGREDIENTS

• Kosher salt
• 4 small skinless, boneless chicken breasts (about 1 1/4 pounds)
• 1/3 cup grated parmesan cheese
• 1 tablespoon fresh lemon juice
• 1/2 pound green beans, trimmed and cut into pieces
• 6 ounces orecchiette (about 1 1/2 cups)
• 3 cups baby arugula
• 1/2 cup firmly packed fresh parsley
• 2 tablespoons extra-virgin olive oil
• 2 medium tomatoes, halved
• 2 teaspoons whole-wheat breadcrumbs
• 1 teaspoon finely grated lemon zest
• 2 tablespoons almonds or hazelnuts, toasted