In a large pot, brown onion and garlic and ground turkey.
In a small bowl, mix 1 cup of chicken broth and cornstarch with a whisk. Add it along with the rest of the broth to the turkey.
Stir in all of the other ingredients, except for the corn and rice. Cook over a medium-high flame and bring to a boil.
Cover;reduce flame tolow heat and simmer for 15 minutes.
Add corn and rice and simmer for an additional 5 minutes.