Answer:

hottest

Answer	Crossword Clue
HOTTEST	High oven setting
HOTTEST	Best-selling
HOTTEST	First to sell out

HOTTEST	Most popular
HOTTEST	Top-selling
HOTTEST	Most torrid
HOTTEST	Nearest the fire
HOTTEST	Of interest to talk-show producers
HOTTEST	Fieriest.
HOTTEST	Most biting, as mustard.
HOTTEST	Most controversial.

HOTTEST	Most pungent.
HOTTEST	Like a top seller
HOTTEST	Most fiery
HOTTEST	Most peppery
HOTTEST	Guinness Book weather record category
HOTTEST	Most spicy
HOTTEST	Topping the Scoville scale