Kitchen furniture item for cooking foods, comprising a support structure having a lower support base, and a cooking device mounted in correspondence with an operative portion of the support structure. The cooking device comprises a cooking tank, a water inlet conduit and a drain conduit both connected to the tank. On the drain conduit is also mounted a first shut-off valve. The cooking device further comprises heating means operatively associated to the tank to heat its contents on command. The kitchen furniture item is also provided with at least a covering element associated to the support structure and movable from an open position in which it allows access to the cooking device, to a closed position in which it covers the cooking device at least superiorly and it defines a support plane superiorly to the kitchen furniture item.