Chewy Sweet Made From Sugar and Butter
Puzzle 10 of Buying Books Piece of Cake Pack
Question is: Chewy Sweet Made From Sugar and Butter
and the answer is: TOFFEE
Word Meaning:
TOFFEE — (uncountable) A type of chewy confectionery made by boiling sugar (or treacle, etc) with butter or milk, then cooling the mixture so that it becomes hard.
Definitions from Wiktionary.