Wash the potatoes and prick them with a fork. Bake at 400 degrees for 1 hour.
In a large pot, brown chicken, onion, and garlic in the olive oil.
Add the chicken broth and cornstarch, whisk until the cornstarch is dissolved.
Cook on medium- high heat until it reaches a boil. Cover, lower flame and simmer for 30 minutes.
When the potatoes are done, cut an oval out of the top of each potato. Scoop out most of the potato.
Spoon chili into the potatoes. Sprinkle with cheese. Place on a baking sheet and bake at 400 for 5 minutes or until cheese melts.