The invention relates to a system for the production of sandwich cookies, having a suction belt conveyor (2) disposed along a sandwiching path, the sandwich cookies being created on the suction belt (11) of said sandwiching path. Successively disposed over the suction band conveyor (2) are: a cookie depositing head (17) for depositing the lower cookies onto the suction belt (11), a first cookie feeding device (3), a first inspection device (4) for the lower cookies positioned on the suction belt (11), an application head (23) of an application device (5) for applying a filling mass onto the lower cookies, a cookie depositing head (31) of a second cookie feeding device (6) for depositing the upper cookies onto the filling mass applications of the lower cookies, a second inspection device (7) for the cookie sandwiches disposed on the suction belt (11), and a calibrating device (9) for the sandwich cookies.