In the US It’s a Cookie, in the UK a __
Puzzle 16 of Cold Places Easy Pack
Question is: In the US It’s a Cookie, in the UK a __
and the answer is: BISCUIT
Word Meaning:
BISCUIT — (UK, India, Australia, Ireland, New Zealand, sometimes Canada, uncommon in the US and the Philippines) A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie.
Definitions from Wiktionary.