1. Preheat oven to 375° F.
2. Prepare 9x13-inch baking dish with pan spray.
3. Arrange half of the taters on bottom of dish and top with half of the green chilies, corn, chili and cheese
4. Repeat to make a second layer.
5. Bake 15-17 minutes.
6. Sprinkle with diced green onions and tomatoes and top with a scoop of sour cream before serving.
Tip: To add a little heat top with sliced jalapeno peppers.