A solid-state radio frequency, RF, microwave oven (100, 100a) for an aircraft galley, comprising: a housing dimensioned to fit an aircraft galley; a cavity set within the housing, the cavity being capable of accommodating food to be heated; an array (108, 108a, 124, 126) of RF modules set into a first interior surface of the cavity in a spaced apart relationship, each RF module comprising one or more RF emitters configured to heat food accommodated in the cavity by emitting at least one RF signal at a first frequency; a power source coupled to the array (108, 104a, 124, 126) of RF modules and configured to be coupled to a power supply of the aircraft; at least one heat sink coupled to one or more of the first interior surface and a second interior surface of the cavity, the heat sink being configured to remove heat from the cavity; characterized in that the solid state RF microwave oven comprises an oven control module coupled to the array (108, 108a, 124, 126) of RF modules and configured to be coupled to a controller associated with the aircraft galley, wherein the array (108, 108a, 124, 126) of RF modules is configured to detect returned energy based on the emitted RF signal and associated with food accommodated in the cavity; and wherein the oven control module includes at least one control processor configured to: accept control input from a user; estimate internal temperatures of different food types accommodated in the cavity based on the detected returned energy; selectively activate or deactivate one or more first RF modules of the array (108, 108a, 124, 126) of RF modules corresponding to a specific portion or region of the oven cavity based on the control input, the estimated temperatures and the placement of the different food types within the oven cavity; and modulate the first frequency. a housing dimensioned to fit an aircraft galley; a cavity set within the housing, the cavity being capable of accommodating food to be heated; an array (108, 108a, 124, 126) of RF modules set into a first interior surface of the cavity in a spaced apart relationship, each RF module comprising one or more RF emitters configured to heat food accommodated in the cavity by emitting at least one RF signal at a first frequency; a power source coupled to the array (108, 104a, 124, 126) of RF modules and configured to be coupled to a power supply of the aircraft; at least one heat sink coupled to one or more of the first interior surface and a second interior surface of the cavity, the heat sink being configured to remove heat from the cavity; characterized in that a power source coupled to the array (108, 104a, 124, 126) of RF modules and configured to be coupled to a power supply of the aircraft; at least one heat sink coupled to one or more of the first interior surface and a second interior surface of the cavity, the heat sink being configured to remove heat from the cavity; characterized in that the solid state RF microwave oven comprises an oven control module coupled to the array (108, 108a, 124, 126) of RF modules and configured to be coupled to a controller associated with the aircraft galley, wherein the array (108, 108a, 124, 126) of RF modules is configured to detect returned energy based on the emitted RF signal and associated with food accommodated in the cavity; and wherein the oven control module includes at least one control processor configured to: accept control input from a user; estimate internal temperatures of different food types accommodated in the cavity based on the detected returned energy; selectively activate or deactivate one or more first RF modules of the array (108, 108a, 124, 126) of RF modules corresponding to a specific portion or region of the oven cavity based on the control input, the estimated temperatures and the placement of the different food types within the oven cavity; and modulate the first frequency. accept control input from a user; estimate internal temperatures of different food types accommodated in the cavity based on the detected returned energy; selectively activate or deactivate one or more first RF modules of the array (108, 108a, 124, 126) of RF modules corresponding to a specific portion or region of the oven cavity based on the control input, the estimated temperatures and the placement of the different food types within the oven cavity; and modulate the first frequency.