Wendy's has announced a new Thin Mints Frosty, inspired by the best-selling Girl Scouts of America cookie. Here's what to know.

Move over, Shamrock Shake, a new mint-flavored treat is coming to a drive-thru near you. Just as its beloved cookie season begins, the Girl Scouts are teaming up with Wendy’s to offer a new limited-edition Thin Mints Frosty.

You’ll soon be able to test out the combination as the fast-food chain has partnered with the Girl Scouts to launch a Thin Mints Frosty that will be available nationwide. Starting on Feb. 21, hungry guests will be able to score one of the desserts, which will be available in the chocolate or vanilla flavor base.