Process for producing a beverage comprising a cocoa material having an enhanced level of polyphenols, the process comprising the steps of: (a) adding a base to an aqueous phase to adjust the pH to between about 6.5 and about 7.5, (b) mixing ingredients into the aqueous phase to give a dispersion, the ingredients including the cocoa material having an enhanced level of polyphenols, (c) performing a thermal treatment on the dispersion, comprising heating the dispersion to over about 85° C. for at least about 5 seconds, and (d) cooling the treated dispersion. A beverage obtainable by the process is also disclosed.