Preheat oven to 400 F and spray baking dish with cooking spray.
To the baking dish, add chicken, oil, taco seasoning, garlic powder, salt and pepper. Using a large spoon, stir to combine and flatten in a single layer. Set aside.
In another medium bowl, add tomatoes, jalapenos, onion, cilantro, garlic and lime juice. Mix well and place on top of chicken, leveling with a spoon. Sprinkle with cheese.
Bake uncovered for 30 minutes. Remove from the oven, sprinkle with cilantro and serve with your favorite side dish.
Notes
Store: Keep leftovers in an airtight container and in the refrigerator for 3-4 days.Freeze: Store in an airtight container and freeze for up to 1 month.