American and Other Drinks by Leo Engel (1878, p.94)

lemon juice — a little, optionalacid
Whiskey — Encore whiskeybase
  1. Prepare in the same way as a cobbler, substituting Encore whiskey for the wine; add a little lemon juice if desired.

Ice: Ice

See also: Whiskey Cobbler

Source defines it as a species of cobbler.