Two companies, both alike in miso, in fair Okazaki where we lay our scene.
A lot of times, when shopping for fermented foods and drinks like soy sauce or sake, the makers might boast that a certain type of bacteria or yeast is used. But how much does that really play into the final result?
Since these microorganisms drive the fermentation processes, they are undoubtedly important, but when it comes down to taste, aroma, and texture, it would certainly seem that a food’s more substantial ingredients play a much bigger role.
Our reporter Haruka Takagi recently found herself in a unique position to learn more about this when visiting a pair of miso producers in Okazaki City, Aichi Prefecture. This area is known for its hatcho miso, which is made from only soybeans and salt and is used in beloved local dishes like a type of stew called doteni and miso-nikomi udon.
The two companies that produce hatcho miso are Maruya Hatcho Miso and Kakukyu. Not only are both these companies in Okazaki, but they are right next door to each other. This allowed Haruka to take a tour of both companies in a single day, and try some ice cream sprinkled with miso as well.
▼ This treat from Kakukyu cost 400 yen (US$2.82).
The process both companies use to make hatcho miso is very much easier said than done, and goes as follows:
1 – Select the best soybeans
2 – Wash the beans and soak them in water to soften them
3 – Steam the beans and roll them into balls called “misotama.” This is where the koji mold is added. Koji mold is the fungus that activates the fermentation process for miso, as well as sake and soy sauce.
4 – Let the misotama sit for four days while the koji mold grows
5 – Put the misotama into a wooden barrel with salt water. A craftsperson then steps all over it to remove the air and harden the mixture.
6 – The craftsperson then piles large stones on the mix one by one and lets it ferment for two summers and two winters.
Haruka was very impressed seeing these massive six-ton barrels that were about 100 years old filled with rocks. Photos weren’t allowed inside but she drew a picture to give us an idea.
While on tours of both companies, she could also confirm that they used the same ingredients and equipment. They were also right next to each other, so they operated in the exact same climate and environmental conditions. The only thing different between them was the type of koji mold they used.
So, she bought a pack of each company’s hatcho miso and did a comparative taste test to see how much of a difference koji mold made.
Looking at the label for each pack of miso, the ingredients were clearly the same because there were only two: soybeans from the Mikawa region and salt. They had slightly different nutritional information, which might say something about the accuracy of how those figures are determined.
Opening up each package, they both had the same very dark hue with a moistness similar to modeling clay. When Haruka looked extra carefully, she could find that the Maruya Hatcho Miso had a slightly reddish tint and a bit of a rougher texture.
▼ Maruya Hatcho Miso, on the left, and Kakukyu’s on the right (The Kakukyu looks shinier because it was in a plastic bag)
She scooped out a bit of each with a spoon and beneath the surface the subtle differences in texture could be better seen.
▼ Left: Maruya Hatcho Miso, Right: Kakukyu
But the real difference lies in how they taste, so Haruka popped the spoonful of Maruya Hatcho into her mouth.
She was bracing herself because the darker color led her to assume it would have a really sharp taste. However, it wasn’t very salty at all. Instead, it had a nutty taste with a chocolatey rich mellowness that spread through her mouth, followed by a bitter and slightly sour aftertaste.
A few months ago, she tried hatcho miso powder that can be used as a topping for various dishes, but the taste of the real thing was much deeper. If she didn’t already know it was only made from soybeans and salt, she’d have sworn it had some additional seasoning in it.
After cleansing her palate, Haruka tried the spoonful of Kakukyu hatcho miso.
This had that same nutty flavor and richness, but much to her surprise, unlike the Maruya Hatcho Miso, the Kakukyu had a distinctly sharper saltiness that hit her tongue instantly. It was followed by an aftertaste that was more bitter and less sour than the previous spoonful.
Haruka felt that the Kakukyu would be more well-suited for first-time hatcho miso eaters because the sourness is reduced, but both were very delicious.
And it would appear that two misos made in the same way, with the same ingredients and under the same conditions, really do taste noticeably different with different koji molds. That being said, she felt she might not have sophisticated enough taste buds to spot the same difference when used in cooking.
▼ It tastes great regardless.
It’s also important to note that neither koji mold was superior to the other. They just produced different tastes, so it’s always best to try out lots of different kinds and find your own favorite fermented food.
Images: ©SoraNews24
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