1lb of chicken bones to 8 quarts of water. Throw in chicken bones, 1 celery root cut in half, 1 parsnip, 1 tablespoon salt, 1 onion, and 1 carrot. After boil, simmered on medium heat for 3 hours. Took off fat. Added 4 cups of water, bring to boil. After boil cook with 2 carrots (chopped) and celery (chopped), cook on low heat for 15 minutes. While stock and vegetables are cooking. Use matzo mix to make matzo balls (usually takes 30 min to cook in boiling water) and serve broth add matzo balls.