Revenge of the Toffee Monster - Susan Gates

Lennie finds old Miss Butterworth in the run-down toffee works and is told the dreadful story of Clum, the toffee monster created by old Mr Butterworth in Victorian times. Little does Lennie know that Clum is kept in the freezer until, through a series of mishaps, he finds himself confronted by the 7 foot rampaging toffee fiend. To escape, Lennie must don a lace dress and tam o'shanter and disguise himself as Clum's master, Young Harold. Clum, shining with sparkle bars, looks like a silver knight and walks with the disguised Lennie onto a building site. He is buried by a JCB.
Lennie is very sad, but cheers up when he becomes a helper in Miss Butterworth's toffee works.
But in the spring, Clum's hand wriggles through the ground ...