Spray a 9x13 casserole dish with cooking spray and set the oven to 350.
Combine the shredded chicken with the cream of chicken soup and sour cream in a large bowl.
Fold in the can of drained Rotel tomatoes and the taco seasoning.
Crush the Doritos to medium bite sized pieces and spread 1/3 of the crushed Doritos evenly on the bottom of the prepared baking dish.
Spread 1/2 of the chicken mixture over the Dorito chips.
Spread 1/2 the shredded cheese blend over the first creamy chicken layer.
Repeat with a second layer of crushed chips, chicken blend and finish with the remaining cheese.
Bake for 25 minutes or until bubbly.
Top with any remaining shredded cheese or crushed Doritos when serving.
Can this casserole be frozen?Assemble the recipe up until adding the Dorito topping and wrap tightly with foil. When you are ready to bake it add the crushed Doritos and extra cheese. Re-cover with foil and bake in a preheated 350-degree oven until it is cooked thoroughly and bubbling, approximately 45 minutes-1 hour.
Can you use rotisserie chicken in this casserole?
If you are in a pinch or a hurry and don't have precooked, shredded chicken a rotisserie chicken will work in this casserole recipe. The flavor profile of the rotisserie chicken may alter the final results of the dish but I assure you, it will be delicious. If you have a few extra sous vide chicken breasts in the fridge, they can be used in this recipe.