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Miso soup, a comforting balance of simplicity and depth. With its savoury broth and delicate ingredients, it serves as a warm, nourishing start to countless meals across Japan.
More than just a dish, miso soup reflects the heart of Japanese cooking, highlighting the harmony between seasonal ingredients, health, and flavour.
Whether enjoyed at home, in restaurants, or as part of a larger meal, miso soup has a timeless quality that continues to resonate with both locals and those discovering Japanese cuisine.
Want to dive deeper into Japanese Cuisine? Don’t miss our post on 26 Traditional Japanese Foods to Try
What Is Miso Soup?
Miso soup, or misoshiru in Japanese, is a traditional soup made from miso paste, a fermented soybean paste that forms the backbone of the dish. It is typically combined with dashi, a simple broth made from dried fish and kelp, creating a rich umami base.
What makes miso soup so special is its versatility; ingredients can vary depending on the region, season, or personal preference, but common additions include tofu, seaweed (wakame), and green onions. These elements come together to create a soup that is both flavourful and deeply soothing.
While it’s often served as a side dish, miso soup holds its own as a vital part of Japanese meals, especially breakfast. Its light yet savoury nature is designed to awaken the senses, preparing the body for the day ahead.
Ingredients and Taste
The key ingredient in miso soup is, of course, miso paste. Miso comes in various types; white miso (shiromiso) is lighter and sweeter, while red miso (akamiso) offers a more robust, salty flavour.
The type of miso used can dramatically change the character of the soup, providing either a gentle, mellow taste or a bolder, more intense flavour. The broth, made from dashi, carries its own layer of umami, combining the subtle brininess of seaweed with the smoky depth of dried bonito flakes.
This foundation gives the soup its signature savoury complexity, balanced perfectly by the delicate ingredients like soft cubes of tofu or rehydrated seaweed. Green onions add a slight sharpness, cutting through the richness of the miso and enhancing its layers of flavour.
The texture of miso soup is smooth and light, with each spoonful offering a different sensation, from the silky tofu to the tender seaweed, all steeped in the savoury broth. The soup’s taste is warm and comforting, yet never overpowering, making it a dish that feels both familiar and refreshing.
A Taste of History
Miso soup’s origins date back more than a thousand years, rooted in the early days of fermented foods in Japan. Miso itself was introduced through China, but over time, it evolved into a uniquely Japanese ingredient, becoming a key element in the daily diet.
By the 7th century, miso soup had become a staple in Buddhist temples and samurai households, prized for its ability to provide energy and nutrition with minimal ingredients.
Over the centuries, miso soup found its way into the homes of all Japanese people, transcending social classes and regional differences. Today, it remains a deeply symbolic part of Japanese culture, often representing the care and tradition of family cooking.
Each region has its variations, from adding seasonal vegetables to using different types of miso, but the essence of the soup remains the same, nourishing both the body and the spirit.
Japanese Miso Soup (Fermented Soybean Soup)
Ingredients
- 4 cups dashi Japanese soup stock
- 3 tbsp miso paste white or red, depending on your preference
- 1/2 block soft tofu cubed
- 2 tbsp wakame seaweed dried, rehydrated in water
- 2 green onions thinly sliced
- 1/2 cup fresh spinach optional
- Soy sauce optional, for seasoning
Instructions
- To begin, prepare the dashi. If using instant dashi granules, dissolve 1 tsp of dashi in 4 cups of boiling water to create the soup stock. Alternatively, you can make homemade dashi by simmering 1 piece of kombu (dried kelp) and bonito flakes in water for 10 minutes, then straining. Keep the dashi warm over low heat.
- In a small bowl, add the dried wakame seaweed and cover it with cold water. Let it sit for 5 minutes until fully rehydrated, then drain and set aside. This rehydration step ensures the seaweed has the right texture for the soup.
- Cut the tofu into small cubes (around 1/2-inch size). Tofu is delicate, so handle it gently to maintain its shape. Set the tofu cubes aside for later use in the soup.
- Place a small amount of the warm dashi into a bowl. Add the miso paste to this bowl and whisk until the miso is fully dissolved and smooth. This step prevents clumping when adding the miso directly to the soup.
- Add the dissolved miso mixture back into the pot with the remaining dashi. Stir gently, but avoid boiling the soup at this stage, as miso loses some of its beneficial nutrients and delicate flavour when exposed to high heat.
- Gently add the cubed tofu and rehydrated wakame to the miso soup. Allow it to simmer on low heat for about 2 minutes to warm the tofu and incorporate the seaweed flavour.
- For an added nutritional boost, stir in the fresh spinach during the last minute of cooking, allowing it to wilt slightly. Taste the soup and adjust the seasoning with a small splash of soy sauce if you prefer a saltier flavour.
- To serve, ladle the miso soup into bowls and garnish with thinly sliced green onions. For an authentic touch, serve alongside steamed rice or with pickled vegetables to complement the rich umami flavour of the soup.
