Impossible Taco Pie
["1 lb. ground beef", "1/2 c. chopped onion", "1 envelope taco seasoning mix (1 1/4 oz.)", "1 (4 oz.) can chopped green chilies, drained", "2 c. milk", "1 1/3 c. Bisquick", "4 eggs", "2 tomatoes, sliced", "1 c. shredded Cheddar cheese (about 4 oz.)"]
["Heat oven to 400\u00b0. Lightly grease 10-inch pie plate. Cook and stir ground beef onion in 10-inch skillet until beef is brown. Drain. Stir in taco seasoning mix.", "Spread in plate.", "Sprinkle with chilies."]
["ground beef", "onion", "taco", "green chilies", "milk", "Bisquick", "eggs", "tomatoes", "Cheddar cheese"]