Preheat oven to 400°F.
Stir in taco seasoning and spoon into a greased pie plate. Spoon on green chiles.
Mix milk, eggs, and Bisquick in a medium bowl until blended, and pour over the meat mixture. Bake for 30 minutes.
Sprinkle on cheese and bake for an additional 10 minutes. Let cool for 5 minutes before serving. Top with salsa, sour cream, lettuce, and/or tomatoes.