Abstract: A cooking oven comprises convection and microwave heat sources (not shown), controls 1 and 3,4 for presetting the temperature and cook time of the oven for a food item to he cooked therein, a further control 5 for selecting a reduced time cooking routine for the oven, and a microprocessor (not shown) responsive to the operation of the further control 5 for controlling the convection heat source and/or the microwave heat source in accordance with a reduced time cooking routine which is determined by the preset temperature and cook time (FIG. 1).