Line up circular sweet potato slices on a baking rack sprinkled with oil. Bake at 350 degrees F for 15 minutes.
In wok with oil and medium-high heat, fry garlic and onions for 2 minutes.
Add minced turkey. Mix and fry thoroughly for 3-5 minutes.
Add ketchup, oyster sauce, soy sauce and sesame oil and mix.
Add zucchini and continue frying for 2 minutes.
Add beaten eggs and fry until eggs and turkey are cooked. Remove from heat.
Pre-heat oven to 360 degrees F
In a baking dish, lay roasted sweet potatoes in one layer at the bottom. Then add the fried meat on top of it and spread out uniformly.
Lay the remainder of the sweet potatoes on top of the meat.
Sprinkle the shredded cheese to cover the entire top.
Bake in pre-heated oven at 360 degrees F for 25 minutes.