[1] In 1934 Hermann Göring, Heinrich Himmler, and other senior Nazis dined on crab at a celebratory meal at Horcher's following the Night of the Long Knives.

[2][3] British double agent Duško Popov was told by his German case officer Johnny Jebsen that there were hidden microphones in the flower vases at Horcher's during a 1941 meal.

In her diary Blood and Banquets, Bella Fromm wrote that "Even before 1933, [Horcher's] was largely patronized by the Nazi leaders"[9] Göring assisted with the moving of the restaurant to Madrid.

[11] In his 1979 memoir, My Stomach Goes Traveling, the actor Walter Slezak wrote that Horcher's was "The best restaurant in Madrid...There food is regarded as a religion".

[1] The historian Giles MacDonogh said of Horcher's that "There is no other restaurant in the history of the twentieth — or indeed any — century...that has relocated from one European capital to another without losing a jot of its social exclusivity".

[14] In a 2019 article in The Washington Post the novelist Diana Spechler described Horcher's "revisionist history-chic decor" and an "open-arms policy [that] is as charming as it is discomfiting.

Their meal began with vichyssoise, followed by kartoffelpuffer with 'fermented herring in cream sauce', deep-fried crab and stroganoff, with baumkuchen was served for desert, praised by the waiter as the "star" of Horcher.