Impossible Cheeseburger Pie

Directions

1. 1
   Cook and stir beef and onion until brown.
2. 2
   Drain; add salt and pepper.
3. 3
   Spread into lightly greased 10-inch pie pan.
4. 4
   Sprinkle with cheese.
5. 5
   Beat remaining ingredients until smooth (15 seconds in blender or 1 minute with hand mixer).
6. 6
   Pour into pie plate. Bake at 400° until golden brown and knife inserted comes out clean, about 30 minutes.
7. 7
   Garnish with slices of tomato and parsley.