A system for preparing a recipe comprising a plurality of ingredients, said preparation system comprising: - a measuring appliance comprising: - a sensor and having a measurement location configured to receive at least one ingredient from a list of ingredients or a container comprising said at least one ingredient, the sensor being arranged to perform a measurement of a physical quantity (GP) relating to said at least one ingredient, - a first means of communication (MC1) with a command and/or control terminal suitable for transmitting information on said measurement of a physical quantity (GP) relating to said at least one ingredient to the command and/or control terminal , - a cooking appliance comprising: - a container capable of receiving the plurality of ingredients of the recipe, - a second means of communication (MC2) with the command and/or control terminal adapted to receive a command instruction (IC) coming from the command and/or control terminal and preferably also suitable for transmitting control information (ICT) to the command and/or control terminal , characterized in that the command and/or control terminal comprises the same third means of communication (MC3) suitable for exchanging information simultaneously on the one hand with the measuring device and on the other hand with the cooking appliance , said third communication means (MC3) using the same communication port to communicate both with the first communication means (MC1) of the measuring appliance and with the second means of communication (MC2) of the cooking appliance . - a measuring appliance comprising: - a sensor and having a measurement location configured to receive at least one ingredient from a list of ingredients or a container comprising said at least one ingredient, the sensor being arranged to perform a measurement of a physical quantity (GP) relating to said at least one ingredient, - a first means of communication (MC1) with a command and/or control terminal suitable for transmitting information on said measurement of a physical quantity (GP) relating to said at least one ingredient to the command and/or control terminal , - a sensor and having a measurement location configured to receive at least one ingredient from a list of ingredients or a container comprising said at least one ingredient, the sensor being arranged to perform a measurement of a physical quantity (GP) relating to said at least one ingredient, - a first means of communication (MC1) with a command and/or control terminal suitable for transmitting information on said measurement of a physical quantity (GP) relating to said at least one ingredient to the command and/or control terminal , - a cooking appliance comprising: - a container capable of receiving the plurality of ingredients of the recipe, - a second means of communication (MC2) with the command and/or control terminal adapted to receive a command instruction (IC) coming from the command and/or control terminal and preferably also suitable for transmitting control information (ICT) to the command and/or control terminal , characterized in that the command and/or control terminal comprises the same third means of communication (MC3) suitable for exchanging information simultaneously on the one hand with the measuring device and on the other hand with the cooking appliance , said third communication means (MC3) using the same communication port to communicate both with the first communication means (MC1) of the measuring appliance and with the second means of communication (MC2) of the cooking appliance . - a container capable of receiving the plurality of ingredients of the recipe, - a second means of communication (MC2) with the command and/or control terminal adapted to receive a command instruction (IC) coming from the command and/or control terminal and preferably also suitable for transmitting control information (ICT) to the command and/or control terminal , <EOS>