Heat a large skillet over medium heat.
Add the oil, then sauté the onion and peppers until soft.
Add the chicken, soups, Rotel and taco seasoning and mix.
Tear up the tortillas and put 1/3 in the bottom of a greased or sprayed 9x13 casserole dish.
Top with 1/3 of the chicken mix, and then 2/3 cup of the cheese.
Repeat those layers two more times for a total of 3 layers.
Bake at 350 degrees F for 30-35 minutes.
Put the crushed Nacho chips over the top for the last 5-10 minutes
Garnish with scallions, chives or parsley.