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