Delmonico’s Head Chef Billy Oliva coaches Insider’s Medha Imam on how to make Eggs Benedict, from how to poach an egg to creating homemade hollandaise sauce. Eggs Benedict is widely considered to have been created at Delmonico's in the late 1800s. Medha's an amateur chef, but with Chef Billy guiding her every step of the way on Skype, she creates a delectable version of the dish at home.