Green’s Dictionary of Slang

one who goes to the tavern for food as well as drink.

1650		Eighth Liberal Science n.p.: He that calls for Rashers, pickle-Disters, or Anchova’s, Clerk of the Kitchin.
1700		‘The Art of Drinking’ in Wit’s Cabinet 137: He that calls for Rashers, Oysters, &c. Clerk of the Kitchen.