This invention is related to a method and apparatus for producing popping candy which is formed in moulds. In the method of this invention a reactor (33") which comprises one or more trays (1) that will hold the product one or more moveable transmission means (12) one or more lids or valves (44") provided at each end of the reactor to act as inlet and outlet one or more two way valves (11) to regulate and maintain inside pressure of the reactor (3 3") cooling and heating heating means (10 10").
