Device for manufacturing portions of food products in pieces, in particular thick fillets of fresh muscle meats, comprising: - at least one pump adapted to deliver a substantially constant flow of food product in pieces； - a tubular distribution conduit connected to the discharge outlet of said pump to receive in its main internal passage the food product leaving the pump and comprising at least one distribution hole； and - cutting and forming means acting on the food product distributed by the outlet orifice of the distribution conduit to form portions of food products, characterized in that said distribution conduit (2, 102, 202, 302, 402, 502) is equipped with a cutting system (3, 103, 4) comprising at least one cutting means (310a, 310b, 320a, 320b, 410, 1310a, 1310b, 1320a, 1320b) that crosses transversely from side to side said internal main passage (23, 123, 423) of the distribution conduit for cutting the food product into at least two layers, so that portions (P1, P2, P3, P4, P5, P6) of textured food product are obtained at the exit of the forming and cutting means (6, 106).Dispositivo de fabricación de porciones de productos alimenticios en trozos, en particular de filetes gruesos de carnes frescas de músculo, que comprende: - al menos una bomba adaptada para suministrar a la salida un caudal sustancialmente constante de producto alimenticio en trozos； - un conducto tubular de distribución conectado a la salida de descarga de dicha bomba para recibir en su paso principal interno el producto alimenticio que sale de la bomba y que comprende al menos un orificio de distribución； y - unos medios de corte y de conformado que actúan sobre el producto alimenticio distribuido por el orificio de salida del conducto de distribución para formar porciones de productos alimenticios, caracterizado por que dicho conducto de distribución (2, 102, 202, 302, 402, 502) está equipado con un sistema de corte (3, 103, 4) que comprende al menos un medio de corte (310a, 310b, 320
