Sinbad on a raft, n. — Green’s Dictionary of Slang

Sinbad on a raft n.

[a well-known scene from The Seven Voyages of Sinbad the Sailor]

poached eggs on toast.

1928		Bath Chron. 4 Aug. 25/6: The proprietor of a small city restaurant rattled off [...] ‘Sinbad on a raft,’ poached eggs on toast.
1929		Druggists’ Circular 73 38: Sinbad on a raft — Poached eggs on toast. Ship in full sail — Pot of ale. Navigator Scot— Hot baked potatoes.