Impossible Taco Pie

Directions

1. 1
   Grease a square baking dish (8 x 8 x 2-inch).
2. 2
   Cook beef and onion in skillet until brown.
3. 3
   Drain.
4. 4
   Stir in seasoning.
5. 5
   Spoon into plate.
6. 6
   Beat Bisquick, milk and 2 eggs with wire whisk or hand beater, until almost smooth, about 1 minute.
7. 7
   Pour into dish.
8. 8
   Bake until knife inserted in center comes out clean (about 25 minutes). Sprinkle with cheese.
9. 9
   Bake until cheese is melted, about 2 minutes.
10. 10
    Cool 5 minutes.
11. 11
    Garnish with lettuce and tomato and if desired, sour cream.
12. 12
    Serves 6 to 8.