Impossible Taco Pie
["1 lb. ground beef", "1/2 c. chopped onions", "1 (1 1/2 oz.) envelope taco seasoning mix", "1 (4 oz.) can chopped green chilies, drained (optional)", "1 small container sour cream", "1/2 head lettuce, shredded", "1 1/4 c. milk", "3/4 c. Bisquick baking mix", "3 eggs", "2 tomatoes", "1 c. shredded Monterey Jack or Cheddar cheese"]
["Heat oven to 400\u00b0.", "Grease 10-inch dish or 10 x 1 1/2-inch pie plate.", "Cook and stir ground beef and onions until brown and drain. Stir in seasoning mix as directed.", "Spread in plate; sprinkle with chilies.", "Beat milk, Bisquick mix and egg until smooth.", "Pour into plate.", "Do not stir.", "Bake for 25 minutes.", "Take out and sprinkle with cheese and bake for 8 to 10 minutes.", "Cool for 5 minutes. Serve with sour cream, chopped tomatoes and shredded lettuce, if desired.", "Makes 6 to 8 servings."]
["ground beef", "onions", "taco", "green chilies", "sour cream", "head lettuce", "milk", "Bisquick baking mix", "eggs", "tomatoes", "shredded Monterey"]