Preheat oven to 400.
Cook ground beef in skillet until brown and no longer pink.
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 meat mixture. Bake for 30 minutes.
Sprinkle on cheese and bake an additional 10 minutes. Let cool 5 minutes before serving. Top with salsa, sour cream, lettuce and/or tomatoes.