Impossible Cheeseburger Pie
["1 lb. ground beef", "1 1/2 c. chopped onion", "1/2 tsp. salt", "1 c. shredded Cheddar cheese (4 oz.)", "1 1/2 c. milk", "3/4 c. Bisquick mix", "3 eggs"]
["Lightly grease baking dish.", "Cook and stir beef and onion until brown.", "Stir in salt and pepper.", "Spread beef in dish. Sprinkle with cheese.", "Beat remaining ingredients until smooth; pour in dish.", "Bake until golden brown, about 30 minutes, in a 400\u00b0 oven.", "Let stand 5 minutes."]
["ground beef", "onion", "salt", "Cheddar cheese", "milk", "Bisquick mix", "eggs"]