Yes, she threw them out. "Whisk" is a verb associated with a broom, and (at least in the US) a handleless broom used to sweep counters, etc. " So, she swept them out with a quick, brisk, easy motion (as opposed to "she heaved them out" or "she forced them out").
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.