1 pound ground chuck

1 1/2 cups onions chopped

1/2 teaspoon salt

1/4 teaspoon pepper

1 cup cheddar cheese shredded (about 4 oz.)

1 1/2 cups milk

3/4 cup Bisquick baking mix

3 eggs

Heat oven to 400°. Lightly grease pie plate, 10 x 1 1/2 inches.

Cook and stir ground beef and onion until beef is brown; drain.

Stir in salt and pepper.

Spread in pie plate.

Sprinkle with cheese.

Beat remaining ingredients until smooth, 15 seconds in blender on high speed or 1 minute with hand beater.

Pour into pie plate.

Bake until golden brown and knife inserted in center comes out clean, about 30 minutes.

Let stand 5 minutes before cutting.

Refrigerate any remaining pie.

Mote:

If using pie plate 9 x 1 1/4 inches, decrease milk to 1 cup, baking mix to 1/2 cup, and eggs to 2.