Abstract: The machine comprises a refrigerating store (2) which is provided with a series of columns (3) wherein are piled annular dishes (4) which contain the precooked product (1), columns(3) which are supported by a rotary platform (5) and which can rotate with respect to a fixed platform (7) situated at the bottom, the rotary platform (5) having a series of openings (6) wherein are located the extreme dishes corresponding to one column (3); parallel to the fixed platform (7) a sliding plate (8) is provided which has an opening (6) in which falls the plate (4) in a situation facing the opening (10) of the rotary platform (5), also having a lower fixed plate (9) on which the sliding plate (8) can move thereby displacing the plate, and which is provided with a cavity (11) for the passage of a vertically displaceable horizontal support (12) which pushes the product (1) till it is introduced into an oven (14).