Green’s Dictionary of Slang

bread and honey n.

money.

1923		Northern Whig 12 Sept. 8/6: Bread was cheerfully referred to as ‘strike me dead,’ beer as ‘cheer, boys, cheer,’ money as ‘bread and honey [and] work as ‘Jimmy Burke’.
1953		J. Franklyn Cockney 294: Bees and honey, sugar and honey, bread and honey, all mean ‘money’ [...] ‘I suppose you want some bees, or some bread an’, or some sugar, before I go.’.
1989		J. Morton Lowspeak.
1992		R. Puxley Cockney Rabbit.
2002		M. Coles More Bible in Cockney 26: I’ve seen ’em selling honest people into slavery just ’cos they owe some bread-and-honey.