• 4 (5-6 oz.) boneless, skinless chicken breasts
• 1 medium red bell pepper, cut into 1-inch chunks
• 1 medium head of broccoli, cut into florets
• ½ medium red onion, cut into 1-inch chunks
• 1 large lemon, cut into 4-6 slices
• 1 ½ tablespoons extra-virgin olive oil

For the seasoning mixture:

• 1 teaspoon kosher salt
• 1 teaspoon dried oregano
• ½ teaspoon ground cumin
• ½ teaspoon garlic powder
• ½ teaspoon crushed red pepper flakes
• ¼ teaspoon black pepper

For serving:

• ¼ cup black olives, pitted and halved
• ¼ cup crumbled feta cheese
• ¼ cup fresh basil or parsley