You can also make a substitute for chicken broth by making homemade chicken broth, which is called chicken stock. To make homemade chicken stock: Just boil your chicken (bones and all) in some water for about a half an hour or at least until the chicken is cooked through. read more
Work out for yourself what you have that matches what the recipe needs -- chickeny liquid could come from stock, broth, canned soup, bouillon cube, gravy, or milk with diced leftover chicken, and at a pinch you could use another meat or vegetable flavour or just plain water. read more
Even Martha Stewart advises(in one chicken stock recipe) to add a can of broth to the water. I've tried many stock variations over the years and settled on a pretty basic mirepoix-esque recipe with the addition of fennel(sometimes dill in the bouquet garni). read more