Black garlic is made by aging and fermenting fresh garlic for approximately one month. During this process, the garlic gradually turns deep black and develops a remarkably sweet, mellow flavor.
Unlike fresh garlic, black garlic has very little of the strong, pungent aroma normally associated with garlic. Its sweetness increases during fermentation, making it surprisingly easy and pleasant to eat. The soft, chewy texture is often compared to that of dried fruit.
The distinctive black color of black garlic is created through a natural chemical process that occurs during prolonged aging and fermentation.
During the process, some of the proteins in the garlic are broken down into amino acids, while carbohydrates are converted into fructose and other sugars. These compounds react with each other and gradually produce the characteristic dark color.
This reaction is known as the Maillard reaction. It is also responsible for the deep brown or black colors and rich flavors found in foods such as roasted coffee and dark beer.
One of the most surprising characteristics of black garlic is its sweetness. As the garlic ages, its natural sugars become more pronounced, while the sharpness and pungent aroma of fresh garlic are greatly reduced.
The result is a flavor that is sweet, mellow, slightly tangy, and savory, rather than intensely garlicky. This makes black garlic very different from the fresh garlic commonly used in cooking.
Black garlic has a soft and slightly chewy texture. Its dark appearance may initially make it look unusual, but the inside is tender and moist, with a texture that can remind people of dried fruits such as prunes.
It can be enjoyed on its own, making it an interesting food to try even for people who normally find the strong taste and smell of fresh garlic difficult to enjoy.
Because its flavor is mild and its aroma is subtle, black garlic can be eaten as it is without complicated preparation. Simply peeling the cloves and tasting them allows you to appreciate their natural sweetness and unique texture.
It can also be incorporated into a variety of dishes, where its deep, sweet-savory flavor adds an interesting dimension without overpowering other ingredients.
Black garlic has become particularly associated with Aomori Prefecture, one of Japan’s leading garlic-producing regions. Visitors to Aomori can find black garlic in local food shops, specialty stores, and souvenir selections.
If you are traveling through northern Japan, black garlic is well worth trying. Its fruit-like sweetness, mild aroma, and soft texture offer a completely different way to experience garlic and make it one of Aomori’s distinctive food specialties.