Mac and cheese creamy cheese sauce with cavatappi pasta, mac and cheese

Cheese sauce (milk [milk, vitamin d3], water, pasteurized process cheese spread [american cheese {pasteurized milk, cheese culture, salt, enzymes}, water, whey, sodium phosphate, whey protein concentrate, skim milk, salt, milkfat, artificial color], mild cheddar cheese [pasteurized milk, cheese culture, salt, enzymes, annatto {vegetable color}], modified cornstarch, less than 1% of the following: unsalted butter [cream natural flavor], enriched flour [wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid], salt, cultured dextrose [to maintain quality], parmesan cheese [pasteurized part-skim cow's milk, cheese cultures, salt, enzymes], citric acid [added for freshness], mustard flour, paprika, spice, annatto extract [color]); cooked enriched cavatappi pasta (water, cavatappi pasta [semolina [wheat], egg white, niacin, ferrous sulfate {iron}, thiamine mononitrate, riboflavin, folic acid]).