black bun 
noun [mass noun]
Rich fruit cake in a pastry case, traditionally eaten in Scotland at New Year.Early versions of the rich fruit cake, such as Scottish black bun dating from the late Middle Ages, were luxuries for special occasions....
- I feel sure the one possible oversight will be rectified in the next print-run, and her many fans will read about Hogmanay's black bun and New Year's Day steak pie.
- Unless it is a dram with shortie or black bun at Hogmanay, we Scots are not generally experts at drinking our national drink with fine food.
- the ladies
- the Lakes
- the Lamb of God (also the Lamb)
- the land of Nod
- the land of the free
- the last minute
- the last (or final) straw
- the last straw
- the last word
- the laugh is on me (or you, him, etc.)
- the Law
- (the law of) diminishing returns
- the Law of Moses
- the law of the jungle
- the Left
- the length and breadth of
- the lesser evil (or the lesser of two evils)
- the Lido
- the lie (lay) of the land
- the life and soul of the party (the life of the party)
- the light of day
- the light of one's life
- the lights are on, but nobody's (or no one's)home
- the likes of
- the Line