The present invention relates to a process for producing a flavor enhancer for beer and beer-like beverage and beverage of a roast material, which includes (1) heating a grinded matter of a cereal, (2) treating the grinded matter with protease, and (3) recovering an extract； and a flavor enhancer for beer and beer-like beverage and beverage of a roast material obtainable by the process. The flavor enhancer of the invention can be used for enhancing the full body and enhancement of beer and beer-like beverage and beverage of a roast material.
