Casseroles are the most amazing way to cook in large quantities and hit every food group in one single pan. They also generate yummy leftovers for the next day or two. Casseroles can also be adapted to suit any number of tastes and are categorically creamy and very often cheesy, leaving you with wanting more. Official Casserole Fan Club, member number one right here. Anyone else cares to join? Try this nutritionally rich and ultra-delicious Mexican Casserole. You will never forget it!