Saute onion, celery and carrots in a tablespoon of oil until onions are clear.
Add 4 cups of gluten free turkey stock, chopped turkey, gluten free orzo (or rice) and bring to a boil.
Reduce heat and simmer for 20 minutes or until orzo (or rice) is done.
Whisk together eggs and lemon juice.
Drizzle a ladle of broth into the egg mixture while whisking constantly (careful to not scramble the eggs).
Repeat.
Slowly add egg/broth mixture to remainder of soup, whisking constantly.
Simmer over low heat for 2 to 3 minutes or until soup thickens.