Pearl barley: 40g (3 tbsp, dry), Chicken breast (boneless, skinless): 85g (3 oz), Carrot: 50g (1 small, diced), Celery: 30g (1 stalk, diced), Onion: 50g (1/2 small, diced), Garlic: 3g (1 clove, minced), Chicken broth (low-sodium): 360ml (1.5 cups), Bay leaf: 1 leaf, Thyme (fresh): 2g (1/2 tsp, chopped), Parsley (fresh): 5g (1 tbsp, chopped), Olive oil: 5ml (1 tsp), Lemon juice: 5ml (1 tsp), Salt: 1g (1/4 tsp), Black pepper: 1g (1/4 tsp)