The present invention describes both a process and its respective equipment (1) needed to form and grill, in an automatic programmed mode, food pieces in a tubular matrix (10), from simple or combined food, previously crushed or reduced to pieces of a size inferior to 8×8 mm, those pieces being simultaneously grilled in both perimeter surfaces, by radiation of two electrical resistances, one in the inner perimeter (4) and the other in the outer perimeter (6), and that after being grilled, are extracted directly to the interior of a bread (15) forming a sandwich or to a plate (12) to be served at the table.Technical Domain/Industrial application: The present innovation fits into the general domain of food catering and the specific domain of processes and equipment to grill food in an automatic programmed mode, thereby having application in the food and catering industry.