In advance: Make Santa face cookies. Prepare and roll out dough; cut cookies using small oval Cut-Out. Bake and cool. Decorate cookies on waxed paper-covered board using royal icing. Ice smooth; let set. Outline and pipe in tip 6 hat and ears (pat smooth with finger dipped in cornstarch). Pipe tip 1 dot eyes, nose and outline mouth. Pipe tip 2 swirl beard and hat trim. Let?dry. Attach cookies to sticks with dots of icing; let dry.
Ice cupcakes smooth in buttercream; use spatula to create rounded top. Insert cookie in cupcake. Pipe tip 12 outline arms, tip 6 dots gloves. Add tip 2 swirl cuffs. Pipe tip 6 dot border.