Recipe Tip You can add any vegetables of your choice. Make sure to cook them properly before adding the chicken. Share your version of this recipe Do you make chicken Barley Soup at home? What spices or seasonings do you use? Share your version with us. In the meanwhile, check out our other Chicken Soup recipes here. Frequently Asked Questions Do I have to soak the barley before cooking? It depends on your preference. You can pre-soak the barley or add it directly as is and let it cook with the broth. What do I do if my soup is too thin? If your soup is too thin, then take one or two tablespoons of butter and the same amount of flour. Mix it nicely and stir it gently into the soup. You can also add the corn starch slurry to thicken the soup.