Baked macaroni and cheese

cooked macaroni (semolina wheat flour [enriched with niacin, iron, thiamine mononitrate, riboflavin, folic acid], egg white), water, pasteurized process cheese spread (cheddar and colby cheese [pasteurized milk, cheese culture, salt, enzymes], water, whey, sodium phosphate, whey protein concentrate, skim milk, milk fat, salt, carrageenan, cellulose gum), cheddar cheese (pasteurized milk, cheese cultures, salt, enzymes, annatto color, natamycin [a natural mold inhibitor]), cheddar club cheese (cheddar cheese [pasteurized milk, cheese culture, salt, enzymes], water, salt, annatto color), modified corn starch, salt, dextrose, onion base (onion granules, salt, corn oil, maltodextrin [from corn], sugar, potato flour, natural flavoring), annatto extract (color), potassium sorbate (preservative),