Topping for Winter Puds Such as Rhubarb and Apple
Puzzle 17 of Bucket List Piece of Cake Pack
Question is: Topping for Winter Puds Such as Rhubarb and Apple
and the answer is: CRUMBLE
Word Meaning:
CRUMBLE — (intransitive, often figurative) To fall apart; to disintegrate.
Definitions from Wiktionary.