Portion of fresh cheese, fresh melted or freshly finished (38) comprising: - a packing sheet (40) having a weight between 20 to 50 g / m2 folded in the form of a hollow shell (84), with a bottom ( 44) and a side wall (46) separated from the bottom (44) by a first fold (54); - a dose of cheese (88) packed in the sheet (40), the cheese (88) being poured hot between 70 ° C and 85 ° C in the liquid or viscous state in the housing (84); - a cover (90), sealed tightly in the housing, not including the portion of cheese (38) dead volume; characterized in that the sheet (40) does not consist of an aluminum layer, the sheet (40) comprising at least one layer of paper (401) having an internal face turned towards the cheese (88) and an external face opposite the cheese ( 88), a sealing layer (405) at low temperature, at least one water-tight layer (407) interposed between the inner face of the paper layer (401) and the sealing layer (405) and at least one layer water-tight outer (409) covering the outer face of the paper layer (401), the sealing layer (405) being a polymer layer or a lacquer layer or a varnish layer and having a melting temperature less than 90 ° C, the sealing layer (405) being applied on the outer face or on the inner face of the lid (90), the paper layer (401) having a thickness between 20 and 150 μm.Porción de queso fresco, fresco fundido o fresco termizado (38) que comprende: - una hoja de embalaje (40) que tiene un gramaje comprendido entre 20 a 50 g/m2 plegada en forma de carcasa hueca (84), con un fondo (44) y una pared lateral (46) separada del fondo (44) por un primer pliegue (54); - una dosis de queso (88) embalada en la hoja (40), siendo el queso (88) vertido en caliente entre 70 ºC y 85 ºC en el estado líquido o viscoso en la carcasa (84); - una tapa (90), sellada de manera estanca en la carcasa, no comprendiendo la porción de queso (38) volumen muerto; caracterizada porque la hoja (40) no consta de capa de aluminio, constando la hoja (40) al meno