Preheat the oven to 350 degrees F (175 degrees C). Lightly grease a 9×13-inch baking dish.
Spread corn chip crumbs over bottom of the baking dish; press crumbs into place.
Melt butter in a large skillet over medium-high heat. Add onion; cook and stir until tender, 6 to 7 minutes.
Combine diced tomatoes, cream of chicken soup. cream of mushroom soup, green chiles, milk, sour cream, chili powder, and cumin in a large bowl; stir in chicken and onion to combine. Pour over corn chips; top with Cheddar cheese.
Bake in the preheated oven until bubbly and cheese is melted, 55 to 60 minutes. Let stand for 10 minutes before serving.
Feel free to use Cool Ranch Doritos in place of Nacho Cheese Doritos and Rotel tomatoes in place of canned diced tomatoes and canned green chiles.
| 480 | Calories |
| 30g | Fat |
| 31g | Carbs |
| 24g | Protein |
