Impossible Taco Pie

Directions

1. 1
   Heat oven to 400°.
2. 2
   Grease 9 1/4-inch pie dish.
3. 3
   Cook and stir beef and onion; drain.
4. 4
   Stir in taco mix; spread in pie plate. Sprinkle in chilies.
5. 5
   Beat milk, eggs and Bisquick until smooth with wire whisk.
6. 6
   Pour over meat and chilies.
7. 7
   Bake 25 minutes; top with cheese then tomato slices.
8. 8
   Bake 8 to 10 minutes more or until knife inserted comes out clean.
9. 9
   Let stand 5 minutes before serving.
10. 10
    Cut to desired serving size.