Rectangular West Coast Donut Also Called Long John

This page is the CodyCross answer for the clue below from Treasure Island, Group 1035, Puzzle 1 (Lioness of Brittany).

Question is: Rectangular West Coast Donut Also Called Long John

and the answer is: MAPLEBAR

Word Meaning:

MAPLE — A tree of the genus Acer, characterised by its usually palmate leaves and winged seeds.

Definitions from Wiktionary.