Prick uncooked shell. Bake and cool. Brown hamburger and onion. Drain. In a bowl, beat milk, mayonnaise, and seasonings. Stir in eggs. Add 1 cup cheese, hamburger, and onion. Pour into pie shell. Bake at 400° F for 10 minutes. Reduce heat to 350° F.
Finish baking another 20-25 minutes. Sprinkle with remaining cheese during last 5 minutes. Let stand 10 minutes.Servings: