STIR peanut butter in small bowl until smooth. Gradually stir in milk. Add pudding mix. Beat with wire whisk or at low speed of electric mixer until well blended, 1 to 2 minutes. SPREAD pudding mixture about 1/2 inch thick on cookie. Top with second cookie, pressing cookies together lightly and smoothing edges of pudding mixture with spatula. Coat edges with sprinkles, if desired. Repeat making sandwiches with remaining cookies and filling. Freeze until firm, about 3 hours. NOTE: Pudding-wiches can be wrapped and stored in freezer up to 2 weeks. MAKES about 2 dozen pudding-wiches, Prep time: 15 minutes, Freezing time: 3 hours From . Downloaded from Glens MM Recipe Archive, G Internet.