the same time acting as a base for food to be fried however it should be understood that the cooker can also be located to the side of or above the oven space if the structure 11 is for example a partition or some other delimiting structure differing from fig1 the oven according to the invention can also include two cookers side by side of which one is preferably a fat cooker the other cooker can also be a fat cooker or for example a cooker in the cooking tank of which water is used as the cooking liquid in the oven according to the invention the heating of components of food portions can be performed at least by cooking with the cooker frying on the frying plate with the aid of circulating air and or heating with the aid of microwaves preferably there is also the alternative of frying on the frying plate with the aid of the frying plate 39 s own secondary heating means in addition to these it is also possible to steam in the oven with the aid of steam obtained from the cooker the oven 10 preferably also includes second heating means 24 in which case heat is produced for the primary heating means in this connection reference to heating means is more specifically to the different methods of heating which includes the previously mentioned microwave heating frying heating circulating air heating and cooking heating on the other hand reference to secondary heating means refers for example in the case of circulating air heating to an electrical resistance which produces heat for the circulating air means in fig1 the oven door 16 is tilted to the open position the cooker 26 which contains the cooking tank 28 is integrated inside the.