preheat oven to 350°F

grease a 9x13 inch baking pan.

layer tortillas in bottom of pan so that edges overlap.

in a large bowl, beat together eggs and milk. Stir in cheeses, red pepper and green chilies. pour egg mixture over tortillas.

bake in preheated oven until eggs are set, about 25 to 30 minutes. meanwhile, heat oil in a skillet or frying pan over medium heat. add mushrooms and green pepper; saute until tender. stir in enchilada sauce and heat until warmed through.

spoon enchilada sauce over baked eggs and serve.