Whiskey ingredient (4)

I believe the answer is:

mash

(Other definitions for mash that I've seen before include "Reduce to pulp" , "Pureed potato" , "Pureed potatoes" , "Potato dish" , "Food for horses" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.