Boil the chicken in a large pot until fully cooked.
Debone and chop the chicken into bite-sized pieces.
In a mixing bowl, combine the milk, Velveeta cheese, cream of mushroom soup, and Rotel tomatoes.
Bring the mixture to a boil, stirring often.
Add the chopped chicken to the mixture and simmer for 5–10 minutes, stirring frequently.
In a long casserole dish, spread a layer of Doritos at the bottom.
Pour half of the chicken and cheese mixture over the Doritos.
Add another layer of Doritos, followed by the remaining chicken mixture.
Top with a final layer of Doritos.
Bake in the preheated oven for 30 minutes, or until the top is golden brown and bubbly.
Serve hot.
Notes / Tips / Wine Advice:
Serving Tip:Serve with a side of guacamole, salsa, or sour cream for added flavor.Wine Advice:Pair with a Zinfandel or a medium-bodied Sauvignon Blanc to complement the richness and spice of the casserole.