A method for preheating an electric oven comprising: a body ; a cooking chamber located within the body for receiving food, the cooking chamber having an upper surface, a lower surface, and a rear surface joining the upper surface to the lower surface; at least one of a convection heater located at the rear surface of the cooking chamber and a bake heater located at the lower surface of the cooking chamber ; and at least two broil heaters located at the upper surface of the cooking chamber , each of the at least two broil heaters being individually operable, wherein the at least two broil heaters include: a first broil heater located in a first plane; and a second broil heater located in a second plane different from the first plane and parallel to the first plane, characterized in that the method comprises: operating one broil heater of the at least two broil heaters ; operating one of the at least one convection heater and the bake heater ; turning off the one of the at least two broil heaters ; and operating another broil heater of the at least two broil heaters , the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters . a body ; a cooking chamber located within the body for receiving food, the cooking chamber having an upper surface, a lower surface, and a rear surface joining the upper surface to the lower surface; at least one of a convection heater located at the rear surface of the cooking chamber and a bake heater located at the lower surface of the cooking chamber ; and at least two broil heaters located at the upper surface of the cooking chamber , each of the at least two broil heaters being individually operable, wherein the at least two broil heaters include: a first broil heater located in a first plane; and a second broil heater located in a second plane different from the first plane and parallel to the first plane, characterized in that the method comprises: operating one broil heater of the at least two broil heaters ; operating one of the at least one convection heater and the bake heater ; turning off the one of the at least two broil heaters ; and operating another broil heater of the at least two broil heaters , the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters . a first broil heater located in a first plane; and a second broil heater located in a second plane different from the first plane and parallel to the first plane, characterized in that the method comprises: operating one broil heater of the at least two broil heaters ; operating one of the at least one convection heater and the bake heater ; turning off the one of the at least two broil heaters ; and operating another broil heater of the at least two broil heaters , the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters . operating one broil heater of the at least two broil heaters ; operating one of the at least one convection heater and the bake heater ; turning off the one of the at least two broil heaters ; and operating another broil heater of the at least two broil heaters , the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters . <EOS>