A vacuum cooling device for the cooling of foodstuff, in particular hot bakery products comprises a vacuum chamber (2) containing a product chamber (7) for receiving the foodstuff for its cooling and a separation chamber (28), a vacuum source (3), such as a vacuum pump which is connected to the separation chamber (28) and a vapor condenser (4) for condensation of vapor generated during the cooling process in the product chamber. The vapor condenser comprises a cooling medium in a sump (11) and comprises a vapor introduction element (8, 9, 10) for introducing the vapor into the cooling medium.