Upside-Down Taco
["1 lb. lean ground beef", "1 medium onion, chopped", "1 can refried beans with sausage", "sour cream", "tortilla chips", "1 can/jar mild taco sauce", "1 (4 oz.) can chopped green chilies", "4 oz. sharp Cheddar cheese, grated", "4 oz. Monterey Jack cheese, grated"]
["Saute ground beef with onion; drain.", "In a lightly greased container (10-inch pie pan or 9-inch square), layer the following: refried beans with sausage, meat mixture, taco sauce, chilies, Cheddar cheese, Monterey Jack cheese.", "Bake for 30 minutes at 350\u00b0.", "Top with sour cream before serving.", "Serve with tortilla chips."]
["lean ground beef", "onion", "beans", "sour cream", "tortilla chips", "taco sauce", "green chilies", "Cheddar cheese", "cheese"]