All-American Fudge-Chunk Brownies

Brownies and chocolate chip cookies are arguably America’s chief contributions to the dessert world. The first printed mention of brownies appeared in the Sears, Roebuck and Co. Catalog of 1897, advertising “fancy crackers, biscuits, cakes, brownies ... in 1 lb. papers.”

Brownies were widely baked in the 1920s; by 1931, the first edition of The Joy of Cooking includes a recipe for “fudge squa