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These sweet black soybeans or kuromame are piano black and melt-in-your-mouth tender.
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Kuromame

This easy black soybean recipe and video will show you how to make plump, tender Kuromame for Oshougatsu that look like they're ready to burst from their glossy black skins. With a bit of science, it's easy to make this Osechi Ryori staple using just a few basic ingredients.
Course Appetizer, Side Dish
Cuisine Japanese
Keyword new year, osechi, oshougatsu
Level Beginner
Main Ingredient Legume
Diet Dairy-Free, Low-Fat, Pescatarian, Vegan, Vegetarian
Prep Time 5 minutes
Cook Time 30 minutes
Soaking time 1 day
Total Time 1 day 35 minutes
Servings 8 servings
Calories 99kcal

Ingredients

  • 250 grams black soybeans
  • 5 cups water
  • ¼ teaspoon baking soda
  • ¼ teaspoon salt
  • 1 cup evaporated cane sugar 200 grams
  • 1 ½ tablespoons soy sauce

Instructions

  • Wash the 250 grams black soybeans until the water runs mostly clear.
    250 grams black soybeans
    Washing black beans.
  • Drain the beans and add them to a bowl with the 5 cups water, ¼ teaspoon baking soda, and ¼ teaspoon salt. Give them a stir and then cover and let the beans soak for at least 12 hours.
    5 cups water, ¼ teaspoon baking soda, ¼ teaspoon salt
    Soaking black beans in water overnight.
  • When you're ready to cook the beans, dump them into a pressure cooker along with the soaking liquid and add in the 1 cup evaporated cane sugar and 1 ½ tablespoons soy sauce. Add in your piece of iron and close the lid of your pressure cooker.
    1 cup evaporated cane sugar, 1 ½ tablespoons soy sauce
    Sugar and soaked black beans in pressure cooker.
  • Set the cooker to high pressure and put it over high heat to quickly bring it up to pressure. Once you hear it start to whistle, turn down the heat to maintain a gentle stream of steam escaping and then set a timer for 25 minutes.
    Pressure cooker releasing steam.
  • Turn off the heat when the timer is up and let the pot cool down to room temperature. Then, transfer the beans and the piece of iron to a container and refrigerate the Kuromame overnight to get a nice dark color and allow the flavors to mature.
    Transferring Japanese black beans to container to rest overnight.
  • To serve the next day, drain only the portion of beans you plan to serve, and garnish with gold leaf (optional).
    Shiny Japanese black benas.

Video

Nutrition

Calories: 99kcal | Carbohydrates: 25g | Protein: 1g | Fat: 1g | Polyunsaturated Fat: 1g | Sodium: 303mg | Potassium: 8mg | Fiber: 1g | Sugar: 25g | Calcium: 5mg | Iron: 1mg