This fancy egg dish is said to have been created at Delmonico's in the 1800s; even then, Hollandaise sauce was used
fancy 
.... EGGS BENEDICT AT ABC KITCHEN, $20: Said to have been created for ... of 
poached eggs slathered in hollandaise sauce throughout the five... [DOC] [TLE] Eggs Benedict in NYC: a mystery | am New York [PAR] Apr 16, 2015 ... Delmonico's believes the dish was created for a pair of regular diners, Mr. ... for 
them with cured ham, poached eggs and topped with Hollandaise sauce.