Impossible Cheeseburger Pie

Directions

1. 1
   Heat oven to 400°.
2. 2
   Grease a 10-inch pie plate.
3. 3
   Brown beef and onion; drain.
4. 4
   Stir in salt and pepper; spread on plate.
5. 5
   Beat milk, baking mix and eggs until smooth; pour on top of beef mixture.
6. 6
   Bake for 25 minutes.
7. 7
   Remove from oven.
8. 8
   Top with tomatoes; sprinkle with cheese.
9. 9
   Bake 6 to 8 minutes more, or until knife comes out clean.