With its colorful, translucent appearance that resembles crystals or gems, Kohakutou is a traditional Japanese candy that has recently regained popularity in Japan, thanks to its Instagram-worthy appeal. Experience the unique texture of its crispy exterior and jelly-like interior—often referred to as "edible crystals."
10.6ozgranulated sugar(Other types of sugar can also be used, but granulated sugar gives a clearer result due to its high purity.)
⅚cupwater
liquid food coloring or flavored sugar syrups
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Instructions
Mix water and agar-agar powder in a pot and bring it to a boil. Once boiling, reduce the heat to low and simmer for 3 minutes to fully dissolve the agar-agar.
Add sugar to the pot and continue simmering for another 5-10 minutes, stirring with a spatula until the mixture thickens. The consistency should be thick enough that when you lift the spatula, the mixture falls off in a strand.
Lightly moisten the inside of a glass or metal container, then pour the mixture into it. If there is any foam or bubbles on the surface, skim them off with a spoon. Add a few drops of food coloring or flavored syrup in different colors (or just one color if you prefer a single tone) at intervals, and gently swirl each area with a skewer or spoon. Then, let it chill in the refrigerator for an hour.Note: To create a marbled pattern, wait about 10 minutes until the mixture has cooled slightly, then gently swirl along the edges where the colors meet.
Cut the solidified mixture into your preferred shapes using your hands, a knife, or molds, and arrange the pieces on parchment paper, making sure they do not overlap. Let them dry in a well-ventilated room until the surface firms up and develops a frosted-glass-like appearance.
Once the surface of the pieces has firmed up, flip them over and continue drying until the other side also firms up. The total drying period is about 5 to 7 days.
Notes
You can store it at room temperature for up to 2 weeks. Avoid refrigerating it, as condensation may cause mold growth.