Impossible Cheeseburger Pie

Directions

1. 1
   Brown ground beef with onions in skillet, stirring until crumbly; drain.
2. 2
   Stir in salt and pepper.
3. 3
   Spread in deep pie plate.
4. 4
   Combine milk, Bisquick and eggs in mixing bowl.
5. 5
   Beat with mixer for 1 minute.
6. 6
   Pour over beef mixture in pie plate.
7. 7
   Bake in preheated 400 degree oven for 25 minutes.
8. 8
   Top with tomatoes and sprinkle with cheese.
9. 9
   Bake 5 to 8 minutes longer or until a knife comes out clean when inserted.