System for the preparation of at least one foodstuff (1, 2, 3), comprising a cooking chamber in which the foodstuff (1, 2, 3) can be prepared, an energy unit for supplying electromagnetic energy specified for the at least one foodstuff (1, 2, 3) into the cooking chamber as a function of cooking data (4, 5, 6) of the at least one foodstuff (1, 2, 3), as a result of which the at least one foodstuff (1, 2, 3) can be brought into an edible state, characterized in that the energy unit has at least two spaced-apart transmitting antennas (30, 31, 32, 33) which can be controlled by at least one high-frequency signal transmitter (40, 41, 42, 43) of the energy unit of the system and which are designed to emit energy in the form of electromagnetic radiation in the microwave range into the cooking chamber on the basis of this control, and in that the system has at least one control unit which controls the actuation of each transmitting antenna (30, 31, 32, 33) by the at least one radio frequency signal transmitter (40, 41, 42, 43), wherein the control unit is designed for this purpose, to control at least one transmitting antenna (30, 31, 32, 33) or each transmitting antenna (30, 31, 32, 33) and/or the high-frequency signal transmitters (40, 41, 42, 43) in such a way that predetermined constructive interferences or destructive interferences of the electromagnetic radiations emitted by the transmitting antennas (30, 31, 32, 33) result in the cooking chamber in order to form irradiation zones and/or temperature zones in the cooking chamber, and wherein the control unit is designed for this purpose, to control the radiation characteristics of each transmitting antenna (30, 31, 32, 33) in such a way that either constructive interference or destructive interference of the electromagnetic radiation occurs in predetermined areas within the cooking chamber. a cooking chamber in which the foodstuff (1, 2, 3) can be prepared, an energy unit for supplying electromagnetic energy specified for the at least one foodstuff (1, 2, 3) into the cooking chamber as a function of cooking data (4, 5, 6) of the at least one foodstuff (1, 2, 3), as a result of which the at least one foodstuff (1, 2, 3) can be brought into an edible state, characterized in that the energy unit has at least two spaced-apart transmitting antennas (30, 31, 32, 33) which can be controlled by at least one high-frequency signal transmitter (40, 41, 42, 43) of the energy unit of the system and which are designed to emit energy in the form of electromagnetic radiation in the microwave range into the cooking chamber on the basis of this control, and in that the system has at least one control unit which controls the actuation of each transmitting antenna (30, 31, 32, 33) by the at least one radio frequency signal transmitter (40, 41, 42, 43), wherein the control unit is designed for this purpose, to control at least one transmitting antenna (30, 31, 32, 33) or each transmitting antenna (30, 31, 32, 33) and/or the high-frequency signal transmitters (40, 41, 42, 43) in such a way that predetermined constructive interferences or destructive interferences of the electromagnetic radiations emitted by the transmitting antennas (30, 31, 32, 33) result in the cooking chamber in order to form irradiation zones and/or temperature zones in the cooking chamber, and wherein the control unit is designed for this purpose, to control the radiation characteristics of each transmitting antenna (30, 31, 32, 33) in such a way that either constructive interference or destructive interference of the electromagnetic radiation occurs in predetermined areas within the cooking chamber.