Cooking device, which comprises: - a primary gas burner, supplied by a primary gas intake; - at least one secondary gas burner, each secondary gas burner being supplied by a secondary gas intake; - a common gas intake; and - a mobile trigger comprising: - a cover comprising: - an intake opening connected to the common gas intake; - a primary supply opening, connected to the primary intake of the primary burner; and - at least one secondary supply opening connected to the secondary intake of one said secondary burner; and - a rotatable selector switch comprising a cavity positioned in a body of the selector switch made of a rigid material, the body having a flat surface, said cavity and the flat surface being positioned opposite the cover, for transferring gas between the input opening and at least one supply opening, so that, depending on the rotation of the selector switch, at least one opening can be covered by the flat surface to inhibit the gas flow from the opening thus covered, in which: - a primary position triggers the flow of gas through the cavity from the common gas intake to the primary gas intake; and - at least one secondary position triggers the flow of gas from the common gas intake to the primary gas intake and to every secondary gas intake positioned opposite the cavity for a given position of the cavity. - a primary gas burner, supplied by a primary gas intake; - at least one secondary gas burner, each secondary gas burner being supplied by a secondary gas intake; - a common gas intake; and - a mobile trigger comprising: - a cover comprising: - an intake opening connected to the common gas intake; - a primary supply opening, connected to the primary intake of the primary burner; and - at least one secondary supply opening connected to the secondary intake of one said secondary burner; and - a rotatable selector switch comprising a cavity positioned in a body of the selector switch made of a rigid material, the body having a flat surface, said cavity and the flat surface being positioned opposite the cover, for transferring gas between the input opening and at least one supply opening, so that, depending on the rotation of the selector switch, at least one opening can be covered by the flat surface to inhibit the gas flow from the opening thus covered, in which: - a primary position triggers the flow of gas through the cavity from the common gas intake to the primary gas intake; and - at least one secondary position triggers the flow of gas from the common gas intake to the primary gas intake and to every secondary gas intake positioned opposite the cavity for a given position of the cavity. - a cover comprising: - an intake opening connected to the common gas intake; - a primary supply opening, connected to the primary intake of the primary burner; and - at least one secondary supply opening connected to the secondary intake of one said secondary burner; and - an intake opening connected to the common gas intake; - a primary supply opening, connected to the primary intake of the primary burner; and - at least one secondary supply opening connected to the secondary intake of one said secondary burner; and - a rotatable selector switch comprising a cavity positioned in a body of the selector switch made of a rigid material, the body having a flat surface, said cavity and the flat surface being positioned opposite the cover, for transferring gas between the input opening and at least one supply opening, so that, depending on the rotation of the selector switch, at least one opening can be covered by the flat surface to inhibit the gas flow from the opening thus covered, in which: - a primary position triggers the flow of gas through the cavity from the common gas intake to the primary gas intake; and - at least one secondary position triggers the flow of gas from the common gas intake to the primary gas intake and to every secondary gas intake positioned opposite the cavity for a given position of the cavity. - a primary position triggers the flow of gas through the cavity from the common gas intake to the primary gas intake; and - at least one secondary position triggers the flow of gas from the common gas intake to the primary gas intake and to every secondary gas intake positioned opposite the cavity for a given position of the cavity.