Impossible Hamburger Pie
["1 lb. ground beef", "1 1/2 c. onions", "1 1/2 c. milk", "1 c. cheese", "3/4 c. Bisquick", "3 eggs", "1/2 tsp. salt"]
["Brown hamburger and onions in frying pan.", "Drain.", "Spread in bottom of large pie pan or square pan.", "Mix milk, eggs, salt and Bisquick together.", "Pour over hamburger.", "Top with cheese (grated).", "Bake at 400\u00b0 for 25 minutes.", "Top with grated cheese and brown (5 to 8 minutes)."]
["ground beef", "onions", "milk", "cheese", "Bisquick", "eggs", "salt"]