Once a year, little girls in green uniforms appear, bearing those ubiquitous colored boxes containing delicious treats with names like Samoas and Thin Mints. When these boxes are gone, you have to wait another year—unless you make your own. This recipe lets you replicate the peanut butter oatmeal goodness of the Girl Scouts’ Do-Si-Do sandwich cookies, no matter what time of the year it is. Our version is larger than the Girl Scout classics (bigger cookie, bigger peanut butter taste!).
To make the filling and assemble the cookies: