The Collaborative International Dictionary of English v.0.48:

Hardbake \Hard"bake`\ (-b[=a]k`), n.
   A sweetmeat of boiled brown sugar or molasses made with
   almonds, and flavored with orange or lemon juice, etc.
   --Thackeray.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hardbake
    n 1: a British sweet made with molasses and butter and almonds