Abstract: An apparatus for cooking food includes an oven, including a cooking chamber in which the food can be cooked by dry hot air, steam or hot air and steam together, a support frame to which the oven is fixed, a collecting tank designed to collect the liquid produced in the cooking chamber during the cooking of food or delivered to the cooking chamber during a washing procedure of the oven, the collecting tank being associated with the support frame and being provided with an inlet opening that can be connected to a drain of the cooking chamber, the collecting tank being provided with level sensor means configured for detecting a plurality of levels reached by the liquid in the collecting tank.