TASK DEFINITION: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
PROBLEM: Category: FOOD 
Clue: A popular health food, this soybean curd is used to make a variety of dishes & an ice cream substitute

SOLUTION: tofu

PROBLEM: Category: SINGING ACTORS 
Clue: Joey Lawrence was on this hit sitcom in 1993 when he had a Top 20 hit with "Nothin' My Love Can't Fix"

SOLUTION: blossom

PROBLEM: Category: HISTORIC AMOURS 
Clue: Let's be candid:  Madame du Chatelet was the long-time lover of this "Candide" author

SOLUTION:
voltaire