A liquid feeding device for roasting or stewing pots is described which permits a supply of liquid, to be continuously added to the interior of the pot to compensate for liquids and flavors lost by evaporation, and to add additional flavors to the cooking container. The liquid feeding device is in the form of a fluid reservoir mounted on the cover of the pot, the reservoir having at least one hole through which the liquid stored in the reservoir may slowly escape into the below pot. The rate of flow of liquid from the reservoir to the cooking container may also be regulated by providing structure which permits adjustment of the rate of flow of air into the interior of the reservoir.