Abstract: The invention concerns a regeneration household machine (10) for regenerating packaged cooked and subsequently cooled to chilled, ambient or frozen temperatures portions of food. The machine (10) comprises at least one compartment (16, 18) adapted to receive, preferably when it is empty, at least one packaged cooked and subsequently cooled to chilled, ambient or frozen temperatures portion of food to be regenerated and at least one conduct (65, 65b, 65c, 68a, 69, 69a, 69b) for feeding a heating fluid into said at least one compartment (16, 18), heating means (72) being provided at said at least one conduct in order to heat said heating fluid at a desired temperature depending on the recipe of the food of said at least one packaged cooked and subsequently cooled to chilled, ambient or frozen temperatures portion of food.