The Marinated Chicken:

• 1 pound chicken breasts
• 3 tablespoons olive oil, more for cooking
• 1 lemon zest
• 2 tablespoons lemon juice
• 2 cloves garlic, grated
• 1 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

The Farro:

• 1 cup farro
• 3 cups water or stock
• 1/2 teaspoon kosher salt

Bowls:

• 1 pint cherry tomatoes, halved
• 1 seedless cucumber, coarsely chopped
• 1/2 cup kalamata olives
• 1/2 red onion, sliced
• Tzatziki sauce
• 1/4 cup crumbled feta cheese
• Lemon wedges, for serving

Tzatziki Sauce:

• 1 cucumber
• 1 garlic clove
• 1 cup plain yogurt
• 1/2 teaspoon salt
• 1/2 teaspoon lemon juice
• 1/4 teaspoon dried dill