Ingredients – 1 ½ lbs beef trimmings  –  salt and pepper –  3 tbs olive oil  –  1 onion  –  2 carrots  –  2 celery stalks – 8 oz baby bella mushrooms  – 1 tbs tomato paste –  ¼ cup red wine – 2 bay leaves –  3 sprigs fresh thyme –  6 cups beef stock – ½ cup pearl barley – handful chopped fresh parsley