Most people know how to make chicken, beef, vegie stock. Here is one for ham. Ham bone or hocks or shanks or combine them 3 carrots cut up 3 celery stocks cut up 2 onions chopped water to cover Put every thing into a large stock pot. Bring to a boil. Reduce to slow simmer and simmer for 6 to 8 hrs. Remove ham bone and vegies. Strain and put into the frige to let the fat congeal. remove fat. You can jar or freeze. You might have to reduce it to get the flavor you want. To do that after you remove the ham and vegies taste it, if its not strong enough boil it for 30 min and taste again. If its still not, boil 30 min more.