While sake may be the most popular drink to pair with a Japanese meal, there is another option that is often on the menu. Umeshu, commonly known as "Japanese Plum Wine," is a Japanese liqueur made from ume (Japanese plums), sugar and shochu (or sake). The flavor is delicate and light, with an undertone of plum. It is usually very sweet and syrupy, and can be used as an aperetif, dessert wine, or as the base of a super delicious cocktail. Also, several brands (including Choya, which is one of the most popular) even come with the edible ume fruit inside. A bottle will set you back about $15.
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