1. Prepare the homemade turkey broth by simmering the carcass and bones with 6 quarts of water and a head of onion for 2 hours. Strain the broth. Alternatively use store bought turkey or chicken broth.
3. In a large pot, heat some vegetable oil or butter. Add the chopped onion, garlic, carrots and celery (optional)., Cook for 2 minutes, stirring frequently.