Dosage group (10) of cooled creamy food substances having a fluid behaviour applicable to the outside of a cooled container (21) of said substance in correspondence with a mouth towards the outside of a connection device (11) positioned inside said cooled container (21) and associated with cooling means (20), said dosage group (10) comprising a hollow central cylindrical portion (16) having a first end (17), connectable to said mouth of said connection device (11), and a second end (19) having a dosage nozzle (12) of said substance, characterized in that said dosage group (10) also comprises heat transfer means (18) which extend from said dosage nozzle (12) to said first end (17) of said central cylindrical portion (16).
