Impossible Cheeseburger Pie

Directions

1. 1
   Heat oven to 400°.
2. 2
   Grease pie plate.
3. 3
   Cook ground beef and onions, stirring frequently until beef is browned; drain.
4. 4
   Stir in salt and pepper.
5. 5
   Spread in pie plate.
6. 6
   Beat milk, eggs and baking mix in blender on high speed about 15 seconds or with wire whisk or hand beater about 1 minute, until smooth.
7. 7
   Pour over beef mixture. Bake 25 minutes.
8. 8
   Top with tomatoes and cheese.
9. 9
   Bake 5 to 8 minutes longer or until knife inserted in center comes out clean. Cool 5 minutes.