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Plump and Juicy 'Kuromame' Simmered Black Soy Beans

Plump and Juicy 'Kuromame' Simmered Black Soy Beans

You don't need to skim off the scum or add water. Just simmer gently over low heat for 3 and a half hours. These are not-so-sweet, plump and tender kuromame. They won't burst either.

Ingredients

Kuromame
300 g
☆Water
1200 ml
☆Sugar
200 g
☆ Soy sauce
2 tablespoons
☆Salt
1 teaspoon

Steps

1. The night before, put all ingredients marked ☆ in a pot and bring to a boil. Add the rinsed beans, turn the heat off, and leave overnight with the lid on.
2. The next morning, bring to a boil over high heat. Please watch it or it might boil over.
3. When the pot comes to a boil, turn the heat down to very low. Simmer for 3 hours with the lid on.
4. Gently squeeze a bean. When the beans have become as soft as you want them to be, turn the heat off. Leave the beans as-is without disturbing them until they have cooled down.
5. Kintoki-beans seem to cook faster than kuromame. Check the beans for tenderness occasionally.

Story Behind this Recipe

My father-in-law grows kuromame, so I make this all year round, not only for New Years.
After a lot of trial and error, I can say that this method is foolproof. I've made them not that sweet so that they can be enjoyed guilt-free.
I heard if you simmer the beans with a rusty nail or a piece of iron, the color turns beautifully black.