This comforting Japanese daikon soup is a simple yet flavorful dish that highlights the subtle sweetness of daikon radish. Perfect for a light meal or a starter, this soup is both nourishing and satisfying. The combination of dashi stock, soy sauce, and mirin creates a delicate umami flavor that complements the tender daikon slices beautifully.
If you are not familiar with Japanese cuisine, you might need to seek out a few specific ingredients. Dashi stock is a fundamental component in many Japanese dishes and can be found in the Asian section of most supermarkets or specialty stores. Mirin is a sweet rice wine that adds a subtle sweetness and depth to the soup. Both of these ingredients are essential for achieving the authentic flavor of this dish.

Ingredients for Japanese Daikon Soup
Daikon radish: A large white radish with a mild flavor and crisp texture, often used in Asian cuisine.
Dashi stock: A Japanese soup stock made from dried fish and seaweed, providing a rich umami flavor.
Soy sauce: A salty, savory sauce made from fermented soybeans, essential in many Asian dishes.
Mirin: A sweet rice wine used in Japanese cooking to add sweetness and depth of flavor.
Salt: A common seasoning used to enhance the flavors of the soup.
Green onions: Fresh, chopped green onions used as a garnish to add a burst of color and mild onion flavor.
Technique Tip for This Recipe
When preparing daikon radish, ensure to slice it evenly to promote uniform cooking. This will help the radish absorb the dashi stock flavors more effectively. Additionally, when simmering, maintain a gentle heat to avoid breaking down the delicate texture of the daikon.
Suggested Side Dishes
Alternative Ingredients
daikon radish - Substitute with turnip: Turnips have a similar texture and mild flavor, making them a good alternative to daikon radish.
dashi stock - Substitute with vegetable broth: Vegetable broth can provide a similar umami base, especially if you add a bit of kombu (dried kelp) or mushrooms for extra depth.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative to soy sauce and has a similar savory flavor.
mirin - Substitute with rice vinegar and sugar: Mix 1 teaspoon of rice vinegar with ½ teaspoon of sugar to mimic the sweet and tangy flavor of mirin.
salt - Substitute with sea salt: Sea salt can be used in place of regular salt for a slightly different mineral profile.
green onions - Substitute with chives: Chives have a similar mild onion flavor and can be used as a garnish in place of green onions.
Alternative Recipes Similar to This Soup
How to Store or Freeze This Soup
- Allow the Japanese daikon soup to cool to room temperature before storing. This helps prevent condensation, which can affect the texture and flavor of the soup.
- Transfer the cooled soup into airtight containers. Glass containers with tight-fitting lids are ideal, but BPA-free plastic containers work well too.
- If you plan to consume the soup within a few days, store the containers in the refrigerator. The soup will stay fresh for up to 3-4 days.
- For longer storage, consider freezing the soup. Pour the soup into freezer-safe containers, leaving some space at the top to allow for expansion as the soup freezes.
- Label the containers with the date of preparation. This helps you keep track of how long the soup has been stored.
- When ready to eat, thaw the frozen soup in the refrigerator overnight. This gradual thawing process helps maintain the soup's texture and flavor.
- Reheat the soup gently on the stovetop over medium heat. Stir occasionally to ensure even heating. Avoid boiling the soup, as this can cause the daikon radish to become mushy.
- If the soup appears too thick after reheating, add a splash of dashi stock or water to achieve the desired consistency.
- Garnish with freshly chopped green onions just before serving to enhance the flavor and presentation.
How to Reheat Leftovers
Stovetop Method: Pour the leftover Japanese Daikon Soup into a saucepan. Heat over medium-low heat, stirring occasionally, until the soup is warmed through. This method helps maintain the texture of the daikon radish and the depth of the dashi stock flavors.
Microwave Method: Transfer the soup to a microwave-safe bowl. Cover with a microwave-safe lid or a microwave-safe plate to prevent splatters. Heat on high for 2-3 minutes, stirring halfway through to ensure even heating. Be cautious as the soup can get very hot.
Double Boiler Method: Place the soup in a heatproof bowl. Set the bowl over a pot of simmering water, ensuring the bottom of the bowl does not touch the water. Stir occasionally until the soup is heated through. This gentle method prevents the daikon radish from becoming too soft.
Slow Cooker Method: Pour the leftover Japanese Daikon Soup into a slow cooker. Set it on low heat and let it warm for about 1-2 hours. This method is perfect if you want to keep the soup warm for an extended period without overcooking the daikon radish.
Oven Method: Preheat your oven to 300°F (150°C). Pour the soup into an oven-safe dish and cover with aluminum foil. Heat for about 20-30 minutes or until the soup is thoroughly warmed. This method is great if you are reheating a large batch and want to maintain the soup's integrity.
Best Tools for Making This Soup
Peeler: To remove the skin from the daikon radish.
Knife: For slicing the daikon radish into even pieces.
Cutting board: A surface to safely slice the daikon radish.
Pot: To bring the dashi stock to a boil and simmer the daikon radish.
Measuring spoons: To measure out the soy sauce, mirin, and salt accurately.
Stirring spoon: To mix the ingredients well after adding the seasonings.
Ladle: For serving the soup into bowls.
Bowls: To serve the hot soup.
Chopping knife: To chop the green onions for garnish.
How to Save Time on This Recipe
Pre-cut the daikon: Slice the daikon radish in advance and store it in an airtight container in the fridge.
Use instant dashi: Opt for instant dashi stock to save time on making it from scratch.
Batch cooking: Make a larger batch of soup and store leftovers in the fridge for quick reheating.
Pre-measure seasonings: Measure out the soy sauce, mirin, and salt ahead of time to streamline the cooking process.
Garnish prep: Chop the green onions beforehand and store them in a small container.

Japanese Daikon Soup
Ingredients
Main Ingredients
- 1 large Daikon radish peeled and sliced
- 4 cups Dashi stock
- 1 tablespoon Soy sauce
- 1 teaspoon Mirin
- 1 pinch Salt
- 2 tablespoon Chopped green onions for garnish
Instructions
- 1. Peel and slice the daikon radish.
- 2. In a pot, bring the dashi stock to a boil.
- 3. Add the sliced daikon radish to the pot and simmer for 20-25 minutes until tender.
- 4. Add soy sauce, mirin, and salt to the pot. Stir well.
- 5. Serve hot, garnished with chopped green onions.
Nutritional Value
Keywords
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