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"Beans" are also called "meat of the field" in Japan. Among them, black beans seem to have many health benefits. Black beans are rich in essential amino acids, B vitamins, dietary fiber, and antioxidative activity, which our bodies cannot produce, making them a bit like a supplement.

However, it is not easy to reach cooking beans, but why not use roasted black beans to make black bean tea, black bean rice, or soak them in vinegar or sake to consume the black bean component?

Now, there are two ways to roast black beans: either finish them hard or make them a little softer.

If you want to finish them hard:
Quickly rinse the black beans and transfer them to a colander to drain well and dry. At this point, stand the colander at a slight angle to facilitate drainage. When the water is drained, place in a roaster and slowly draw out the aroma over a long flame while shaking the roaster. When the skin starts to pop, it is ready.

If you want to make them slightly softer:
Soak black beans in boiling water for several hours. After that, the procedure is the same as for hard ones. Crispy and savory on the outside, moist on the inside, and easy to eat as is as a snack.

You can roast beans in a frying pan, but a roaster produces a flavor that can only be achieved over direct heat. The fragrant scent that rises from the air is like an aroma, and it will be a relaxing time. Of course, roasted sesame seeds are done faster with a roaster than frying pan. The netting allows some of the residue to fall to the bottom, but it leaves little residue and produces fluffy roasted sesame seeds that are pleasant to the palate.

Both black beans and black sesame seeds are considered "positive foods," which improve blood circulation and warm the body. By nature, black food should be consumed in winter. However, in the coming season, the air conditioner tends to cool the body. Beans also remove dampness, which helps with swelling and blood replenishment during the rainy season. Warm drinks may seem counterproductive as we head into summer, but when consumed properly, they raise internal temperatures and increase basal metabolism.

Black bean tea is caffeine-free, so you don't have to worry about the time you drink it, and it is safe for both children and pregnant women. Simply put the roasted black beans in a cup, pour boiling water and wait a few minutes. Boil it lightly in a pot to enjoy a darker colored tea. Two to three cups of black bean tea a day is considered an appropriate amount for the fatigue-relieving effects of amino acids and B vitamins, and may help prevent summer fatigue.

You can roast sesame seeds, roast soybeans for Setsubun, roast green coffee beans, and in the fall, you can roast ginkgo nuts as well. It could be a small seasonal pleasure.

Tsujiwa Kanaami's Sesame Roaster
https://www.shokunin.com/en/tsujiwa/gomairi.html 
Shirokiya Shikkiten's Teshiozara
https://www.shokunin.com/en/shirokiya/teshio.html 
Susumuya's Teacup
https://www.shokunin.com/en/susumuya/yunomi.html 

Reference
http://www.kurodaizu-lab.jp/seibun-kenkou.php