Cut carrots,celery and onions. Cut turkey carcass into pieces, removing most of the meat (bits left on are fine).
Add all ingredients to stock pot, cover with water. Bring to a boil, then turn down heat and simmer for approximately 3hours. Set a mesh strainer over large bowl. Remove large pieces of carcass with tongs, then strain the stock through the mesh strainer, pressing on back of solids.
Let stock cool in order for fat to rise to the top of the stock. Remove fat with ladle. You can use immediately for soup, or cool completely and store in a covered container in the refrigerator for up to one week, or freeze up to 3 months.
Notes
You can also use the bones from wings and legs as a substitute for the whole carcass if you prefer.You can use immediately for soup, or cool completely and store in a covered container in the refrigerator for up to one week, or freeze up to 3 months.