The 22-year-old has now recorded three podium's at the Nor-Am level, including two silver medals in the slalom from the week prior in Osler Bluff, Canada.
On day one of competition at Stratton, Hoffman finished in fourth place just missing the podium, but improved straight away on day two, with the fastest time of all competitors.
In the final run, Hoffman had the third fastest time, but with her lead from the first run, it was enough to secure victory with a two-run time of 2:13.73 seconds, 0.79 seconds ahead of the second place finisher.
Hoffman is now ranked fourth in the giant slalom and sixth in the slalom on the overall Nor-Am cup standings with the final race to come in Whistler, Canada, at the end of the month.