Coffee grounds are not only dregs, but also can make wine.

What would you do with coffee grounds? To fill an ashtray? Or should I just pour it out and nourish Blue Star? Coffee grounds aren't grounds anymore, but researchers in Portugal and Galicia have created a new type of wine from coffee grounds.

At present, the popular Kahlua or coffee liqueur is not brewed directly from coffee beans, but at most the aroma of coffee beans is added. Now the new coffee is brewed directly from the ingredients, just like whiskey or rum.

First, coffee grounds are roasted and dried, boiled at 163 degrees Celsius for 45 minutes, separated from the liquid obtained in this step, mixed with sugar, and then fermented for a period of time. Eventually, you get a coffee wine with an alcohol concentration of about 40 degrees. This process is similar to making whiskey or rum from wheat or sugar cane.

Evaluated and certified by eight professional tasters, this is a safe alcoholic beverage that has been distilled and fermented to remove caffeine and has anti-aging properties. The wine has a rich aroma but a bitter and slightly spicy taste. However, as the wine ages, the taste will improve even more.

Source: omelette [Uncle Lei via Gizmodo]

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