You can freeze the peanut butter cookie dough balls. (namelymarly.com)
When I'm at home with my dogs, I hide treats around my house for them to find, fill a Kong or marrow bone with frozen peanut butter for them to work through, and work on short stints of Obedience. (barrettweimaraners.com)
Immediately, gently press an upside down frozen peanut butter cup on top of each cookie and move to wire rack to cool. (mooreorlesscooking.com)