Impossible Cheeseburger Pie
["1 lb. ground beef", "1 1/2 c. onion, chopped", "1/2 tsp. salt", "1/4 tsp. pepper", "1 c. Cheddar cheese, shredded", "1 1/2 c. milk", "3/4 c. Bisquick mix", "3 eggs"]
["Preheat oven to 400\u00b0.", "Brown beef and onion; drain.", "Spray a 10-inch pie plate with Pam.", "Add hamburger mixture.", "Mix the rest of the ingredients together; pour on top.", "Sprinkle cheese on top. Bake for 30 minutes."]
["ground beef", "onion", "salt", "pepper", "Cheddar cheese", "milk", "Bisquick mix", "eggs"]