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 (111, 112) located at the upper surface of the cooking chamber, each of the at least two broil heaters (111, 112) being individually operable, wherein the at least two broil heaters (111, 112) 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 (111, 112); operating one of the at least one convection heater and the bake heater; turning off the one of the at least two broil heaters (111, 112); and operating another broil heater of the at least two broil heaters (111, 112), the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters (111, 112). 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 (111, 112) located at the upper surface of the cooking chamber, each of the at least two broil heaters (111, 112) being individually operable, wherein the at least two broil heaters (111, 112) 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 (111, 112); operating one of the at least one convection heater and the bake heater; turning off the one of the at least two broil heaters (111, 112); and operating another broil heater of the at least two broil heaters (111, 112), the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters (111, 112). 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 (111, 112); operating one of the at least one convection heater and the bake heater; turning off the one of the at least two broil heaters (111, 112); and operating another broil heater of the at least two broil heaters (111, 112), the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters (111, 112). operating one broil heater of the at least two broil heaters (111, 112); operating one of the at least one convection heater and the bake heater; turning off the one of the at least two broil heaters (111, 112); and operating another broil heater of the at least two broil heaters (111, 112), the another broil heater of the at least two broil heaters being different from the one of the at least two broil heaters (111, 112).