Impossible Pie - cooking recipe

Ingredients

1 lb. beef
1 1/2 c. onion
1 1/2 c. milk
3 eggs
3/4 c. Bisquick
1/2 tsp. salt
1/4 tsp. pepper
2 tomatoes, sliced
1 c. favorite cheese

Preparation

Grease a 10-inch pie plate.
Brown beef and onion; drain. Spread in dish.
Beat milk, eggs, baking mix, salt and pepper 1 minute with beater.
Pour over contents in plate.
Bake 25 minutes.
Top with tomatoes and cheese.
Bake 8 minutes.
Add favorite toppings:
mushrooms, peppers, etc.