An apparatus includes a chamber containing a plurality of food products, and a second chamber having a heater. In use, the apparatus: transfers the products individually from the collection chamber to the second chamber displacing a lower heating device into an inactive position enabling nearing and distancing movement of the product with respect to the upper heating device vertically translates the product, along a vertical axis, up to a heating position, defined in proximity of and below the active heating surface of the upper heating device brings the lower heating device into an active position, facing upwards and located below the active surface of the upper heating device. The product interposed, and the upper heating device and the lower heating device heat the product, displacing the lower heating device into the inactive position, vertically translating the product, moving the product to a position outside the second chamber.
