Chimichurri Chicken Pita Sandwich

The Dressing:

• ¼ cup chopped Italian parsley
• 1 tablespoon + 1 teaspoon red wine vinegar
• 1 clove garlic minced
• ¼ tablespoon kosher salt
• ¼ tablespoon freshly ground black pepper
• ¼ tablespoon red chile flakes
• 1 tablespoon + 1 tablespoon extra-virgin olive oil

The Sandwich:

• 1 cup roughly chopped English cucumber
• 1 cup halved and sliced hearts of palm
• 1 cup chopped cooked chicken breast
• 2 whole wheat pitas cut in half