Chicken Freekeh, Rocket + Walnut Salad

• 1 cup dry freekeh
• 1 cup walnuts, roughly chopped
• 1 tbsp maple syrup
• 0.25 tsp salt
• 400 g cooked rotisserie chicken, shredded
• 8 cup rocket
• 0.5 cup pickled red onion
• 2 tbsp extra virgin olive oil
• 1 tbsp balsamic glaze