To provide a method of producing a beer-tasting drink capable of easily and effectively improving the flavor of a beer-tasting drink, and a method of improving the flavor of a beer-tasting drink.SOLUTION: The method of producing a beer-tasting drink which is a method of producing a beer-tasting drink using a raw material liquid includes: preparing a raw material of a raw material liquid containing non-malted barley; mixing a first part of the raw material containing a part or all part of the non-malted barley with water to prepare a first mixed liquid; mixing a second part of the raw material with water to prepare a second mixed liquid; subjecting the first mixed liquid to heat treatment at a temperature higher than that of the second mixed liquid; mixing the first mixed liquid after heat treatment with the second mixed liquid to prepare a third mixed liquid; and subjecting the third mixed liquid to saccharization to obtain the raw material liquid.SELECTED DRAWING: None
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