Experience the unique flavors of Japanese cuisine with this delightful Japanese mountain vegetable recipe. This dish brings together the earthy taste of sansai with a savory and slightly sweet sauce, making it a perfect side dish or a light main course.
Japanese mountain vegetables, or sansai, might not be a common find in every household. These wild vegetables are typically foraged in the mountains of Japan and can include a variety of plants such as fiddlehead ferns, bamboo shoots, and bracken. If you can't find fresh sansai, look for them in the frozen or preserved section of an Asian supermarket.

Ingredients For Japanese Mountain Vegetable Recipe
Japanese mountain vegetables: These are wild vegetables foraged from the mountains of Japan, offering a unique earthy flavor.
Soy sauce: A staple in Japanese cooking, providing a salty and umami taste.
Mirin: A sweet rice wine used in Japanese cuisine to add a mild sweetness and depth of flavor.
Sugar: Adds a touch of sweetness to balance the savory elements.
Sesame oil: Provides a rich, nutty flavor and is used for stir-frying the vegetables.
Technique Tip for This Recipe
When preparing Japanese mountain vegetables (sansai), it's essential to blanch them briefly in boiling water before stir-frying. This step helps to remove any bitterness and ensures the vegetables retain their vibrant color and crisp texture. After blanching, immediately transfer the vegetables to an ice bath to stop the cooking process. This technique enhances the overall flavor and presentation of the dish.
Suggested Side Dishes
Alternative Ingredients
japanese mountain vegetables (sansai) - Substitute with spinach and mushrooms: Spinach and mushrooms can mimic the texture and earthy flavors of sansai, providing a similar taste profile.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative to soy sauce with a similar umami flavor.
mirin - Substitute with dry sherry and sugar: Dry sherry mixed with a bit of sugar can replicate the sweetness and depth of mirin.
sugar - Substitute with honey: Honey can provide a similar sweetness with a slightly different flavor profile.
sesame oil - Substitute with olive oil with a few drops of toasted sesame seeds: Olive oil with toasted sesame seeds can mimic the nutty flavor of sesame oil.
Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
- Allow the Japanese mountain vegetables to cool completely before storing. This helps prevent condensation, which can make the vegetables soggy.
- Transfer the cooled vegetables to an airtight container. Glass containers with tight-fitting lids are ideal for maintaining freshness.
- Store the container in the refrigerator. The stir-fried vegetables will keep well for up to 3-4 days.
- For longer storage, consider freezing. Place the cooled vegetables in a freezer-safe bag or container. Be sure to remove as much air as possible to prevent freezer burn.
- Label the container with the date to keep track of freshness.
- When ready to use, thaw the vegetables in the refrigerator overnight. Reheat gently in a pan over medium heat, adding a splash of soy sauce or sesame oil if needed to refresh the flavors.
- Avoid reheating multiple times as this can degrade the texture and flavor of the vegetables.
How to Reheat Leftovers
Stovetop Method:
- Heat a non-stick pan over medium heat.
- Add a small amount of sesame oil to the pan.
- Once the oil is hot, add the leftover Japanese mountain vegetables.
- Stir-fry for about 3-5 minutes until heated through, ensuring the sauce is well-mixed and the vegetables are evenly warmed.
Microwave Method:
- Place the Japanese mountain vegetables in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap with a few small holes to allow steam to escape.
- Microwave on medium power for 1-2 minutes.
- Stir the vegetables and microwave for an additional 1-2 minutes, if necessary, until thoroughly heated.
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the Japanese mountain vegetables in an oven-safe dish.
- Cover the dish with aluminum foil to prevent drying out.
- Bake for about 10-15 minutes, stirring halfway through, until the vegetables are hot and the sauce is bubbling.
Steamer Method:
- Set up a steamer with boiling water.
- Place the Japanese mountain vegetables in a heatproof dish that fits inside the steamer.
- Steam for about 5-7 minutes until the vegetables are heated through and tender.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the Japanese mountain vegetables in the air fryer basket.
- Heat for about 3-5 minutes, shaking the basket halfway through to ensure even heating.
Best Tools for This Recipe
Cutting board: A flat surface used for chopping and preparing the Japanese mountain vegetables.
Chef's knife: A sharp knife for cutting the vegetables into bite-sized pieces.
Pan: A cooking vessel used to stir-fry the vegetables.
Stirring spoon: A utensil for mixing the vegetables and sauce in the pan.
Measuring spoons: Tools for accurately measuring the soy sauce, mirin, sugar, and sesame oil.
Serving dish: A plate or bowl to serve the finished dish.
How to Save Time on This Recipe
Pre-wash and prep: Wash and cut the japanese mountain vegetables in advance to save time during cooking.
Use a large pan: A larger pan allows for more even cooking and faster stir-frying.
Measure ingredients ahead: Pre-measure the soy sauce, mirin, and sugar so you can quickly add them when needed.
High heat: Use medium-high heat to speed up the stir-frying process without compromising texture.
Batch cooking: Double the recipe and store leftovers for a quick meal later in the week.

Japanese Mountain Vegetable Recipe
Ingredients
Main Ingredients
- 200 g Japanese mountain vegetables (sansai)
- 1 tablespoon Soy sauce
- 1 tablespoon Mirin
- 1 teaspoon Sugar
- 1 tablespoon Sesame oil
Instructions
- 1. Wash and cut the Japanese mountain vegetables into bite-sized pieces.
- 2. Heat the sesame oil in a pan over medium heat.
- 3. Add the vegetables to the pan and stir-fry for about 5 minutes.
- 4. Add soy sauce, mirin, and sugar to the pan. Stir well to combine.
- 5. Cook for another 5-10 minutes until the vegetables are tender and the sauce has thickened slightly.
- 6. Serve hot and enjoy!
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Dish
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