Impossible Cheeseburger Pie
["1 lb. ground beef", "1 c. chopped onion", "salt and pepper", "2 c. milk", "1 1/3 c. Bisquick baking mix", "4 eggs", "1 sliced tomato", "1 c. shredded Cheddar cheese"]
["Brown ground beef with onion and salt and pepper.", "Drain off grease.", "Spread in greased 10-inch pie plate.", "Beat together until smooth (1 minute with mixer or 15 seconds in blender): milk, Bisquick and eggs.", "Pour over meat mixture.", "Bake at 400\u00b0 for 35 minutes.", "Top with tomato slices and cheese.", "Bake 8 minutes longer.", "Cool 5 minutes before cutting."]
["ground beef", "onion", "salt", "milk", "Bisquick baking mix", "eggs", "tomato", "Cheddar cheese"]