Impossible Cheeseburger Pie
["2 medium onions, chopped", "1 lb. ground sirloin", "1/4 tsp. pepper", "1 1/2 c. milk", "3 eggs", "3/4 c. Bisquick", "2 medium tomatoes", "1 c. shredded Cheddar or American cheese"]
["Heat oven to 400\u00b0 and grease a 10-inch pie plate with shortening.", "Cook and stir over medium heat the onions, ground sirloin and pepper until brown.", "Pour meat mixture into pie plate after draining any fat.", "Spread meat mixture evenly in pie plate. Put milk, eggs and baking mix in blender and blend on high 15 seconds (or use egg beater or wire whisk).", "Pour mix into pie plate.", "Bake 25 minutes.", "Remove from oven.", "Top with tomato slices and sprinkle with cheese.", "Bake 5 to 8 minutes longer or until knife inserted inc enter comes out clean.", "Cool 5 minutes.", "Serves 6."]
["onions", "ground sirloin", "pepper", "milk", "eggs", "Bisquick", "tomatoes", "cheese"]