Customers can stick their spoons (or fries) in the new Thin Mints Frosty, available Friday, Feb. 21, at participating Wendy’s restaurants nationwide. The burger chain and Girl Scouts of the USA teamed up for the limited-time treat swirled with a “minty cookie crumble sauce” inspired by the Thin Mints cookie, according to a news release.

The Wendy’s Thin Mints Frosty is here—combining its classic Frosty with the most popular Girl Scout cookie. Here’s why this fast-food remix is a must-try

Wendy’s is kicking off Girl Scout Cookie season with a frosty new twist. Starting February 21, fans can indulge in the Thin Mints Frosty, a delicious mashup of Wendy’s iconic frozen treat and the minty, chocolatey goodness of one of the most beloved Girl Scout cookies.