Experience the comforting warmth of a traditional Japanese soba soup, a delightful blend of flavors and textures that will transport you straight to Japan. This dish is perfect for a cozy night in or as a light yet satisfying meal.
Some ingredients in this recipe might not be commonly found in every household. Dashi broth is a fundamental Japanese stock made from dried fish and seaweed, which might require a trip to an Asian supermarket. Mirin is a sweet rice wine used in Japanese cooking, and it adds a subtle sweetness to the dish. Make sure to check the international aisle or specialty stores for these items.

Ingredients For Japanese Soba Soup Recipe
Soba noodles: Buckwheat noodles that are a staple in Japanese cuisine, known for their nutty flavor and chewy texture.
Dashi broth: A traditional Japanese stock made from dried fish and seaweed, providing a rich umami flavor.
Soy sauce: A salty and savory condiment made from fermented soybeans, essential for adding depth to the broth.
Mirin: A sweet rice wine that balances the saltiness of the soy sauce with a hint of sweetness.
Sugar: Adds a touch of sweetness to enhance the overall flavor profile of the soup.
Green onions: Freshly sliced, these add a mild onion flavor and a pop of color to the dish.
Nori sheet: Dried seaweed cut into strips, adding a unique texture and umami flavor.
Soft-boiled egg: Halved and placed on top, it adds richness and a creamy texture to the soup.
Technique Tip for Making Soba Soup
When preparing soba noodles, ensure you rinse them thoroughly under cold water after cooking. This step removes excess starch, preventing the noodles from becoming gummy and helping them maintain their firm texture when added to the dashi broth.
Suggested Side Dishes
Alternative Ingredients
soba noodles - Substitute with whole wheat spaghetti: Whole wheat spaghetti has a similar texture and can absorb the flavors of the broth well.
dashi broth - Substitute with vegetable broth with a dash of soy sauce: Vegetable broth with soy sauce can mimic the umami flavor of dashi.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that has a similar salty and umami flavor.
mirin - Substitute with dry sherry with a pinch of sugar: Dry sherry with sugar can replicate the sweetness and slight acidity of mirin.
sugar - Substitute with honey: Honey can provide the same sweetness with a slightly different flavor profile.
green onions - Substitute with chives: Chives have a similar mild onion flavor and can be used as a garnish.
nori sheet - Substitute with spinach leaves: Spinach leaves can add a similar texture and a mild flavor to the soup.
soft-boiled egg - Substitute with poached egg: A poached egg can provide the same creamy yolk and soft texture.
Alternative Recipes Similar to Soba Soup
How to Store or Freeze Your Soba Soup
- Allow the soba noodles and dashi broth to cool completely before storing. This prevents condensation, which can make the noodles soggy.
- Store the soba noodles and broth separately to maintain the texture of the noodles. Place the noodles in an airtight container and the broth in a separate container with a tight-fitting lid.
- For the soft-boiled egg, keep it in a separate container to avoid overcooking when reheating. You can also store the green onions and nori strips separately to keep them fresh and crisp.
- Refrigerate all components within two hours of cooking. The soba noodles and broth can be stored in the refrigerator for up to three days.
- To freeze, place the cooled soba noodles in a freezer-safe bag, removing as much air as possible before sealing. Store the dashi broth in a freezer-safe container, leaving some space at the top for expansion.
- Label the containers with the date to keep track of freshness. Frozen soba noodles and broth can be stored for up to two months.
- When ready to enjoy, thaw the broth in the refrigerator overnight. Reheat the broth on the stove until it reaches a simmer. Add the soba noodles and heat through for 2-3 minutes.
- Assemble the soup by placing the reheated soba noodles and broth in bowls. Top with fresh green onions, nori strips, and the soft-boiled egg halves.
How to Reheat Leftovers
- Gently reheat the dashi broth on the stove over medium heat until it reaches a gentle simmer. Avoid boiling to maintain the delicate flavors.
- If the soba noodles have clumped together, briefly rinse them under warm water to separate before adding them to the reheated broth.
- Add the soba noodles to the simmering broth and warm them for 1-2 minutes, ensuring they are heated through but not overcooked.
- For the soft-boiled egg, you can warm it by placing it in a bowl of hot water for a few minutes. This will gently bring it back to a pleasant temperature without overcooking the yolk.
- Reassemble the soup by dividing the reheated noodles and broth into bowls. Top with fresh green onions and nori strips to maintain their vibrant texture and flavor.
- If you prefer using a microwave, place the soba noodles and dashi broth in a microwave-safe bowl. Cover loosely and heat in 30-second intervals, stirring in between, until warmed through. Add the toppings after reheating to keep them fresh.
Best Tools for Making Soba Soup
Pot: Used to simmer the dashi broth and combine it with soy sauce, mirin, and sugar.
Strainer: Essential for draining the cooked soba noodles.
Knife: Needed for slicing the green onions and cutting the nori sheet into strips.
Cutting board: Provides a surface for slicing green onions and cutting the nori sheet.
Measuring spoons: Used to measure out the soy sauce, mirin, and sugar accurately.
Mixing spoon: Useful for stirring the broth to ensure the sugar dissolves completely.
Tongs: Handy for adding the cooked soba noodles to the simmering broth.
Bowls: For serving the soba soup, noodles, and toppings.
Timer: Helps keep track of the cooking time for the soba noodles and the simmering broth.
Ladle: Useful for dividing the broth evenly into serving bowls.
Egg slicer: Optional, but can be used to neatly halve the soft-boiled eggs.
How to Save Time on This Recipe
Pre-cook the noodles: Cook the soba noodles ahead of time and store them in the fridge. This way, you can quickly add them to the dashi broth when ready.
Use instant dashi: Opt for instant dashi broth granules to save time on making the broth from scratch.
Prep toppings in advance: Slice the green onions and cut the nori sheet into strips beforehand. Store them in airtight containers.
Batch cook eggs: Soft-boil multiple eggs at once and keep them in the fridge for quick use.

Japanese Soba Soup
Ingredients
Main Ingredients
- 200 g Soba noodles
- 4 cups Dashi broth
- 2 tablespoon Soy sauce
- 1 tablespoon Mirin
- 1 teaspoon Sugar
- 2 stalks Green onions sliced
- 1 Nori sheet cut into strips
- 1 Soft-boiled egg halved
Instructions
- Cook soba noodles according to package instructions. Drain and set aside.
- In a pot, bring dashi broth to a simmer. Add soy sauce, mirin, and sugar. Stir until sugar dissolves.
- Add cooked soba noodles to the broth. Simmer for 2-3 minutes.
- Divide noodles and broth into bowls. Top with green onions, nori strips, and half a soft-boiled egg.
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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