Green’s Dictionary of Slang

ordinary, run-of-the-mill, unexceptional.

c.1698		B.E. Dict. Canting Crew n.p.: Bread and Cheese Bowling-green, a very ord’nary one, where they play for Drink and Tobacco, all wet, as ’tis called. [Ibid.] Bread and Cheese Constables that trats [sic] their Neighbors and Friends at their coming into Office with such mean Food only.
1849		Sam Sly 20 Jan. 2/2: He advises R. C—k, the bread-and-cheese carpenter, of Charles-street, Hatton-garden, not to be so ungrateful to his employer.
1854		G.J. Whyte-Melville General Bounce (1891) 25: You describe in well-chosen language the miseries of a ‘bread-and-cheese’ marriage to your eldest daughter.
1900		Bulletin (Sydney) 26 May 24/4: Rather a common dodge of some bread-and-cheese sportsmen is to give secretaries cheques for nomination and acceptance fees, receving a few pounds change. Latter keeps them going; the cheques are dishonored.