This invention relates to a device for producing portions of food products in pieces, especially chunks of fresh meat, comprising at least one pump capable of outputting an approximately constant flow rate of food product in pieces, a tubular distributing pipe (2) connected to the delivery outlet of said pump, and comprising at least one delivery opening (22a, 22b), and cutting and shaping means (61) acting on the food product distributed by the outlet opening of the pipe to form portions (P1), said tubular pipe being equipped with a cutting system (3) comprising at least one cutting means, such as a flat oscillating blade (310a, 310b1 320a, 320b, 410), which traverses transversely from one side to the other of said main internal passageway in order to cut the food product into at least two layers and so produce textured portions (P1) of food products.