Impossible Cheeseburger Pie

Directions

1. 1
   Heat oven to 400 degrees F.
2. 2
   Lightly grease 10-inch pie plate.
3. 3
   Cook and stir beef and onion until brown; drain.
4. 4
   Stir in salt and pepper, spread beef in pie plate.
5. 5
   Sprinkle with cheese.
6. 6
   Beat remaining ingredients until smooth, 15 seconds in blender on high speed or 1 minute with hand beater.
7. 7
   Pour into pie plate.
8. 8
   Bake until golden brown and knife inserted in center comes out clean, about 30 minutes.
9. 9
   Let stand 5 minutes; garnish as desired.
10. 10
    Refrigerate remaining pie.
11. 11
    Note: If using 9-inch pie plate, decrease milk to 1 cup, baking mix to 1/2 cup and eggs to 2.