kohakutou recipe
Healthy Recipes

Kohakutou Recipe: How to Make Easy Japanese Crystal Candy at Home

Kohakutou Recipe(琥珀糖) is a mesmerizing Japanese candy that resembles precious gems with its crystal-clear appearance and unique texture. Meaning “amber candy,” Kohakutou Recipe is made primarily from agar agar, sugar, and water, resulting in a sweet treat that is crunchy on the outside and jelly-like on the inside. With its eye-catching beauty and delicate sweetness, this candy has gained immense popularity, particularly on social media and ASMR channels. While a small box of Kohakutou Recipe can be quite expensive, it’s surprisingly easy and affordable to make at home.

What is Kohakutou Recipe?

kohakutou recipe

Kohakutou (Japanese crystal candy) is a traditional confection made from agar agar, a jelly-like substance derived from algae, combined with water and sugar. It has a crunchy, crystal-like outer layer that forms after drying for several days, while the inside remains soft and gummy, giving it a unique texture.

The firm consistency and ability to hold the shape at room temperature of agar agar, which unlike gelatin melts at lower temperatures, has been used in Japanese desserts for centuries. You can make Kohakutou Recipe with different flavors like juice, tea, or coffee, and decorate it with edible decorations. Kohakutou Recipe is usually flavored and colored, making it a treat for the taste buds as well as the eyes.

Ingredients for Kohakutou Recipe

To make around 25 pieces of 1-inch Kohakutou candies, you will need the following:

Ingredient Amount Notes
Water ½ cup (120g) Can be substituted with juice, tea, or alcohol
Agar agar powder 1 tsp (3g) Agar agar powder is essential for the texture
Sugar 1 cup (210g) Do not reduce sugar for a crispy crust
Decorations (optional) Edible dried sakura flowers, sugar pearls, food coloring

Optional Decorations:

  • Dried edible flowers (e.g., sakura, mint)
  • Edible sugar pearls
  • Food coloring (to create different shades)

Note: Avoid using fresh fruits or flowers, as they release water and can spoil the candy during the drying process.

 

Step-by-Step Instructions for Making Kohakutou

Dissolve the Agar Agar

  • Start by adding ½ cup of cold water (or juice/tea) to a small saucepan.
  • Sprinkle 1 tsp agar agar powder over the water, stirring until completely dissolved.

Cook the Mixture

  • Bring the mixture to a simmer over medium heat.
  • Add 1 cup of sugar and stir until fully dissolved.
  • Continue cooking over medium heat for about 5 minutes until the syrup thickens and turns light yellow.

Prepare the Mold

  • Pour the syrup mixture into a square or rectangular food storage container (use a shallow dish for faster cooling).
  • Let the mixture cool down to room temperature before covering it with a lid and refrigerating it for at least 2 hours.

Unmold the Jelly

  • After 2 hours, run a thin knife around the edges of the container.
  • Gently lift the jelly from the mold by inserting the knife underneath and pulling it out.

Cut into Shapes

  • Cut the jelly into 1-inch cubes or any shape of your choice. For a more natural gem-like look, you can also tear the jelly into irregular shapes.

Dry the Candy

  • Place the cut pieces on parchment paper (avoid using a cooling rack, as the jelly will stick).
  • Let the jelly dry at room temperature for 3-5 days. Flip the pieces every other day to ensure even drying and prevent sticking.

Store and Enjoy!

  • Once a hard crust has formed, store the candies in an airtight container at room temperature. They can last for up to 1 month if kept away from direct sunlight and high temperatures.

 

Directions for Customizing Kohakutou

One of the best parts about making Kohakutou recipe is its versatility. Here are a few ideas to help you create personalized, colorful crystal candies:

Flavoring Options:

  • Juice: Use lemonade, orange juice, or apple juice to give your candies fruity flavors.
  • Tea or Coffee: Replace water with green tea, matcha, or brewed coffee for a more complex taste.
  • Alcohol: Experiment with beer or sake for adult-friendly versions.

Coloring:

  • Add a few drops of food coloring to the syrup before pouring it into the container.
  • Keep in mind that the sugar gives the syrup a yellowish hue, so blue food coloring will turn green, and pink will create an orange tint.

Comparison of Agar Agar vs. Gelatin

Property Agar Agar Gelatin
Source Derived from red algae (seaweed) Animal-derived (bones, skins)
Melting Point 85°C – 95°C 31°C – 34°C
Texture Firm, brittle Soft, melts easily at room temp
Vegan Yes No
Best Use in Kohakutou Perfect for forming a crust Not suitable for crystal candies

Agar agar is the preferred choice for making Kohakutou recipe because of its ability to form a firm, brittle structure that can be dried without melting or losing shape. Gelatin, with its lower melting point, would soften at room temperature, making it unsuitable for creating the candy’s signature crystal crust.

Nutritional Facts (per 1-inch piece)

Nutrient Amount
Calories 36
Carbohydrates 9g
Sugars 9g
Protein 0g
Fat 0g

Community Tips and Praise

Community Tips:

  • “Use parchment paper!” – Several users have mentioned that drying the candies on a cooling rack will cause them to stick and break. Use parchment paper and flip the pieces every other day for even drying.
  • “Don’t reduce sugar!” – Reducing sugar in the recipe will prevent the crust from forming properly, leaving you with sticky gummies.
  • “Try different flavors” – Experiment with lemonade, tea, or even beer for fun flavor variations. Just remember to avoid milk or juices with pulp.

Reviews:

  • Sarah L.: “These turned out absolutely beautiful! I made mine with green tea, and the color and texture were perfect. The drying process took a bit longer than expected, but it was worth it.”
  • Tom K.: “I was skeptical about using agar agar since I’ve always used gelatin in jellies, but the texture was just right for these candies. My kids loved helping with the food coloring.”
  • Emily R.: “Great recipe! I used edible flowers, and they looked just like crystals. The hardest part was waiting for them to dry, but the end result was worth it.”

Conclusion

Kohakutou recipe is not only a delicious and visually stunning treat, but it’s also surprisingly easy to make at home. With simple ingredients like agar agar, sugar, and water, you can create beautiful, gem-like candies that have a crunchy exterior and a soft interior. The best part? You can customize Kohakutou recipe with different flavors and decorations to suit your taste and style.

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