King Ranch chicken casserole should have tender tortillas, not a soggy center. This version uses a thick chile sauce, drained tomatoes, and a short rest after baking to help the layers hold together.
Essential Concepts
Keep the sauce thick and drain the tomatoes.
Related post: [Chicken Enchilada Casserole](https://www.spendwithpennies.com/chicken-enchilada-casserole/)