The story
Named after John D. Rockefeller (1839–1937), the richest American at the time, because of the richness of the sauce.
Etymology from Wiktionary, CC BY-SA 4.0.
oyster Rockefeller
Today it means: A baked or broiled oyster topped with various other ingredients: often parsley and other green herbs, a rich butter sauce and breadcrumbs. Full definition →