Preheat oven to 400 degrees F (200 degrees C). Lightly grease a 9-inch deep dish pie pan.
Sprinkle the bacon, cheese, onion and asparagus into pie pan. In a medium bowl, beat together the milk, baking mix, egg substitute, salt, pepper and parsley; beat until smooth. Pour mixture into pie pan.
Bake in preheated oven until a knife inserted into center of quiche comes out clean, about 40 minutes.
