the.com/mac and cheese
comfort food's reigning monarch, equally at home in microwaves and Michelin kitchens
presidential rootsThomas Jefferson served it at an 1802 state dinner
boxed empireKraft sells around one million boxes daily
depression heroCheap boxed version fed families through the 1930s
medieval ancestorA 14th-century cookbook described pasta with cheese
noodle mathMacaroni's hollow shape grabs and holds extra sauce