There was an official survey taken among the general public to find out the best Ben and Jerrys flavour. Cookie dough was the winner with 60% and in last place was chocolate chip brownie with 8.5%. The "Vermonster" is a large ice cream sundae served in a "Vermonster Bucket" in Ben & Jerry's "scoop shops." Its ingredients are 20 scoops of ice cream, 4 bananas, 4 ladles of hot fudge, 3 chocolate chip cookies, 1 chocolate fudge brownie, 10 scoops of walnuts, 2 scoops each of any 4 toppings, and whipped cream. It contains , and of fat. Since 2009, the Vermonster Challenge is an annual charity event held by Ben & Jerry's in which teams of four compete to finish a Vermonster and win free ice cream for a year.