Food cooking method to be carried out in a cooking oven, comprising: - a cooking cavity, which can be accessed from the outside through a door, - heating means adapted to heat up the interior of said cooking cavity, - a first sensor applied on to a movable core-temperature probe that is adapted to be inserted in a food placed inside said cooking cavity, and is provided with at least a temperature sensor adapted to measure the temperature (Ts) at the core of said food, - a second temperature sensor adapted to measure the temperature (Tc) prevailing inside said cooking cavity, wherein said temperature sensors (2, 4) are adapted to generate and output respective signals that are representative of the temperatures detected by them, - storage, processing and control means adapted to process the signals output by said temperature sensors and deliver appropriate operating commands to said heating means, accordingly, - setting and regulating means adapted to define the selectively modifiable value of a final reference temperature (Tr), wherein said storage, processing and control means are adapted to receive and process said temperature signals being output by said sensors, and to control a specific step of operation of said heating means so as to obtain in a continuative manner, inside the cooking cavity, a respective internal temperature (Tc), the difference (Tc - Tr) of which from the value of said final reference temperature (Tr) is a function (F(Tr, Ts)) of the difference (Tr - Ts) between said final reference temperature (Tr) and the temperature (Ts) detected by said sensor introduced in the food, the method being characterized in that said function (F(Tr, Ts)) of the difference (Tr - Ts) between said final reference temperature (Tr) and the temperature (Ts) detected by said sensor introduced in the food is a linear function, in which the difference (Tc - Tr) between said internal temperature (Tc) and the value of said final reference temperature (Tr), and said difference (Tr - Ts) between said final reference temperature (Tr) and the temperature (Ts) detected by said sensor, are proportional, with a known and selectively pre-determinable proportionality constant. - a cooking cavity, which can be accessed from the outside through a door, - heating means adapted to heat up the interior of said cooking cavity, - a first sensor applied on to a movable core-temperature probe that is adapted to be inserted in a food placed inside said cooking cavity, and is provided with at least a temperature sensor adapted to measure the temperature (Ts) at the core of said food, - a second temperature sensor adapted to measure the temperature (Tc) prevailing inside said cooking cavity, wherein said temperature sensors (2, 4) are adapted to generate and output respective signals that are representative of the temperatures detected by them, - storage, processing and control means adapted to process the signals output by said temperature sensors and deliver appropriate operating commands to said heating means, accordingly, - setting and regulating means adapted to define the selectively modifiable value of a final reference temperature (Tr), wherein said storage, processing and control means are adapted to receive and process said temperature signals being output by said sensors, and to control a specific step of operation of said heating means so as to obtain in a continuative manner, inside the cooking cavity, a respective internal temperature (Tc), the difference (Tc - Tr) of which from the value of said final reference temperature (Tr) is a function (F(Tr, Ts)) of the difference (Tr - Ts) between said final reference temperature (Tr) and the temperature (Ts) detected by said sensor introduced in the food,