Mexican Fiesta Casserole

Directions

1. 1
   Preheat the oven to 375F.
2. 2
   Cook the ground beef in a large skillet until browned; drain off the excess fat.
3. 3
   Season the meat with the salt and pepper; set aside.
4. 4
   Mix together the cheese, sour cream, mayonnaise and onion; set this mixture aside.
5. 5
   Stir the biscuit mix and water together until a soft dough forms.
6. 6
   With floured fingers, pat the dough into the bottom of a greased 13 X 9 X 2-inch baking pan, pressing the dough about 1/2-inch up the sides of the pan.
7. 7
   Layer the browned ground beef, tomato slices, green pepper, and sliced olives over the dough layer.
8. 8
   Spoon the sour cream and cheese mixture over the top.
9. 9
   Bake, uncovered, until the edges of the dough are light brown, 25 to 30 minutes.
10. 10
    Cool 5 minutes and then cut into squares to serve.