Preheat the oven to 400°F.
Cook beef over medium heat in a large skillet until no longer pink. Drain meat, add taco seasoning, and prepare according to package directions.
Add meat to a greased 9×13 baking dish and set aside.
Beat eggs and milk in a large bowl. Stir in one and a quarter cup biscuit mix and pepper, and mix until combined well. Pour over meat and bake until golden brown (about 20-25 minutes).
Let cool for a few minutes and then spread on sour cream.
Top with lettuce, tomato, cheese, and olives. Serve warm and ENJOY! ENJOY