Raindrop Cake Recipe
Introduction
The raindrop cake is a delicate, translucent dessert that looks like a drop of water. Light and refreshing, it’s a unique treat that pairs beautifully with nutty soy bean powder and sweet brown sugar syrup.

Ingredients
- 10 g agar powder
- 300 g mineral water
- 4 tablespoons soy bean powder
- 4 tablespoons brown sugar syrup
Instructions
- Step 1: Place the agar powder in a small saucepan.
- Step 2: Gradually add a little mineral water at a time to the saucepan, stirring continuously to dissolve the powder and prevent lumps.
- Step 3: Bring the mixture to a boil over medium heat, then reduce to a low simmer and stir constantly for 2 minutes.
- Step 4: Lower the heat further and keep stirring; then transfer the saucepan to a sink filled with cold water to cool it quickly, making sure no extra water gets inside the pan.
- Step 5: Pour the mixture into an ice ball mold, filling halfway first and securing the lid, then fill the rest through the top hole. Refrigerate the mold for at least one hour until the cake sets.
- Step 6: Once set, carefully remove the raindrop cake from the mold and serve with 1 tablespoon of soy bean powder and 1 tablespoon of brown sugar syrup on the side.
Tips & Variations
- Use filtered mineral water for a clearer, more translucent cake.
- Try substituting the brown sugar syrup with kuromitsu, a Japanese black sugar syrup, for a richer flavor.
- Serve the cake chilled for the best texture and refreshing taste.
Storage
Store the raindrop cake in the refrigerator in an airtight container and consume within 1 day, as the texture may soften over time. It’s best enjoyed fresh and cold. Reheating is not recommended.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
What if I don’t have an ice ball mold?
You can use any spherical or dome-shaped mold to achieve a similar effect, but avoid shapes that are too large as the cake is delicate.
Can I use gelatin instead of agar powder?
Gelatin can be substituted, but agar is preferred as it creates a firmer texture that holds the shape better at room temperature and is suitable for vegetarians.
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Raindrop Cake Recipe
- Total Time: 1 hour 20 minutes
- Yield: 4 servings 1x
- Diet: Vegan
Description
Raindrop Cake is a delicate and visually stunning Japanese-inspired dessert made from agar agar that resembles a translucent raindrop. It is light, refreshing, and served with roasted soy bean powder and sweet brown sugar syrup for a subtle yet delightful taste.
Ingredients
Raindrop Cake
- 10 g agar powder
- 300 g mineral water
Toppings
- 4 tbsp soy bean powder (kinako), divided
- 4 tbsp brown sugar syrup (kuromitsu), divided
Instructions
- Dissolve agar powder: Place the agar powder into a small saucepan. Gradually add mineral water little by little while stirring continuously to avoid lumps and ensure it dissolves completely.
- Boil and simmer: Heat the mixture until it reaches a boil, then reduce heat to low and simmer for 2 minutes while stirring constantly to properly activate the agar.
- Cool quickly: Lower the heat further and keep stirring. To speed up cooling without adding water, transfer the saucepan into a sink filled with cold water and continue stirring gently.
- Mold the raindrop cake: Pour the agar mixture into ice ball molds, filling half first, secure the lid, then fill the rest from the top hole to complete the spheres.
- Chill and set: Refrigerate the molds for at least one hour until the raindrop cakes are fully set and firm to the touch.
- Serve: Carefully remove the raindrop cakes from the molds. Serve each with 1 tablespoon of soy bean powder and 1 tablespoon of brown sugar syrup drizzled on top or on the side.
Notes
- Use mineral or purified water for the clearest, most transparent raindrop cake.
- Do not over-stir or overheat after boiling agar, as this may affect the texture.
- Chilling time can be adjusted but at least 1 hour in the fridge is ideal for proper setting.
- The dessert is best enjoyed immediately after unmolding to retain the delicate texture.
- Brown sugar syrup can be substituted with traditional Japanese kuromitsu for authentic flavor.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Category: Dessert
- Method: Stovetop
- Cuisine: Japanese
Keywords: Raindrop cake, Japanese dessert, agar agar dessert, vegan dessert, transparent jelly, kinako, kuromitsu

