Beef (lean stew meat): 100g (3.5 oz, cubed), Pearl barley: 40g (1/4 cup, dry), Carrot: 75g (1 medium, diced), Celery: 50g (1 stalk, diced), Onion: 75g (1/2 medium, diced), Garlic: 6g (2 cloves, minced), Beef broth: 400ml (1 3/4 cups), Tomato paste: 15g (1 tbsp), Worcestershire sauce: 5ml (1 tsp), Bay leaf: 1, Thyme: 1g (1/2 tsp, dried), Olive oil: 10ml (2 tsp), Fresh parsley: 5g (1 tbsp, chopped), Salt: to taste, Black pepper: to taste