Can be made in under an hour! This is a great “pantry” meal. Spread mixture into the baking dish. It is an EASY CHEESY CHICKEN Casserole that I love!. I love Mexican Food, Fiesta Chicken Casserole is a great Mexican American fusion of flavors in this tasty casserole recipe This is one of the many 30 minute meal recipes on my site that I love and is so popular. Sprinkle remaining chips over the top. Fiesta Chicken Casserole is a family friendly meal that is sure to become a favorite! This cheesy chicken casserole is easy to make, using canned beans, corn and tomatoes. Crumble the bag of tortilla chips onto the chicken mixture. Preheat oven to 350 degrees. Cut cooked chicken into cubes. Fiesta Chicken Casserole Nov 20, 2009 This crowd-pleasing, kicked-up casserole uses pantry ingredients and refrigerator staples topped with a refrigerated pie crust and baked … Mix chicken with all the above ingredients EXCEPT the tortilla chips. Grease a 9x13-inch baking pan. Fiesta Chicken Casserole is an Instant Pot Pressure Cooking Recipe that can also be made on the stove top.