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Instant Pot Tonjiru (Pork and Vegetable Miso Soup) 豚汁(圧力鍋)

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    Tonjiru (sometimes called Butajiru) is a hearty pork and vegetable miso soup. With just 1 min in the Instant Pot, it will be the ultimate, comfy soup for fall and winter months!

    Tonjiru served in black bowls.

    When I was in college, I used to make a big pot of this pork and vegetable miso soup and ate it throughout the week. Not only it was a hearty miso soup for the soul and brainpower, but it also gave me good nutrients from the meat and all kinds of vegetables. This all-mighty miso soup is called Tonjiru (豚汁) or sometimes called Butajiru.

    I’ve already shared a regular Tonjiru recipe that requires cooking on the stovetop, but today I’ll share the Instant Pot Tonjiru recipe. Although the actual cooking time is roughly the same as the stovetop method, the benefit of cooking Tonjiru in the electric pressure cooker is you can walk out of the kitchen once you press “start,” and go back to study, work, or spend the time with your family.

    Tonjiru served in a black bowl.

    Key Ingredients for Tonjiru

    Tonjiru is easy to make, especially if you already know how to make miso soup. For Tonjiru, you will prepare dashi – Japanese soup stock – ahead of time and then stir fry pork and vegetables first before adding dashi to cook them further. Let’s go over the key ingredients in detail below.

    1. Pork

    This miso soup won’t be called “Tonjiru” or “Butajiru” without pork (ton or buta) in it. In Japanese kanji characters, we write 豚汁 and read it Ton-jiru or Buta-jiru, depending on the Chinese reading or Japanese reading.

    The cut of pork can be your choice, but in Japan, pork belly slices are the more popular choice for Tonjiru as it is more flavorful. The next choice is pork loin slices. If you cannot get ready sliced pork belly or pork loin at local Japanese/Asian grocery stores, you can cut the meat into thin slices or strips yourself (See the tutorial here).

    2. Vegetables

    The flavor essence of the soup comes from pork, but it actually features more vegetables. Common vegetables used in Tonjiru are root vegetables such as:

    • carrots
    • potatoes or satoimo (Japanese taro)
    • daikon (Japanese radish)
    • gobo (burdock root)

    Besides the root vegetables, there are other ingredients you can add.

    • konnyaku (kanjac)
    • tofu or aburaage (deep-fried tofu pouch)
    • shiitake mushrooms or shimeji
    • bean sprouts (my mom always includes them)
    • green onions/spring onions

    We do not put leafy vegetables, but if you like to add, say spinach, I recommend blanching them separately and add directly to the soup bowl. This way, you can retain the bright green color and won’t overcook the leafy veggies.

    3. Dashi (Japanese soup stock)

    Because Tonjiru has a lot of ingredients that contribute to a decent tasting broth, you can get away by using water instead of dashi. However, my choice is always dashi because it gives more depth and umami that pork and vegetables don’t have. You can taste the difference right away.

    I use the combination of kombu and katsuobushi for dashi (we call Awase Dashi) in the majority of my cooking, and this recipe is no exception. I highly recommend making homemade dashi, but if you’re in hurry, a dashi packet from Kayanoya makes a nice quick dashi in no time.

    4. Miso (Japanese fermented soybean paste)

    There is no specific type of miso you have to use for Tonjiru. If you like one type of miso (such as white miso, awase miso, or red miso), you can use it. If you are new to miso, read this post to get familiar with it.

    For this Tonjiru, I used Enjuku Koji Miso from Hikari Miso®. I love the hint of sweetness that Koji Miso gives. More koji in the miso, the sweeter it tastes.

    Enjuku Koji Miso from Hikari Miso
    Delicious Enjuku Koji Miso from Hikari Miso®

    What Dishes to Serve with Tonjiru

    My mom always served Tonjiru in a donburi bowl as it was the main dish, and accompany the soup with a grilled fish. Because Tonjiru has meat in it, she usually avoids meat as a main dish.

    I follow the same way and usually serve a simple grilled fish such as Grilled Pacific Saury (Sanma), Grilled Mackerel (Saba Shioyaki) or Salted Salmon (Shiojake).

    Tonjiru already has tons of root vegetables, so you can skip side dishes that contain similar ingredients, and instead, serve sides like:

    Or if you’re really busy, just prepare a grilled fish and steamed rice, and that will still be an amazing nutritious meal!

    A black bowl containing pork and vegetable miso soup (Tonjiru).

    Looking for Similar Comforting Miso Soups?

    Tonjiru served in a black bowl.

    Japanese Ingredient Substitution: If you want to look for substitutes for Japanese condiments and ingredients, click here.

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    4.69 from 19 votes
    Tonjiru served in a black bowl.
    Instant Pot Tonjiru
    Prep Time
    15 mins
    Cook Time
    45 mins
    Total Time
    1 hr

    Tonjiru (sometimes called Butajiru) is a hearty pork and vegetable miso soup. With just 1 min in the Instant Pot, it will be the ultimate, comfy soup for fall and winter months!

    Course: Soup
    Cuisine: Japanese
    Keyword: miso, miso soup
    Servings: 6
    Author: Namiko Chen
    • 2 Yukon gold potatoes (10 oz, 280 g)
    • 1 onion (8 oz, 227 g)
    • 5 oz daikon radish (2", 5 cm)
    • 1 carrot (5 oz, 150 g)
    • 1 gobo (burdock root) (4.8 oz, 135 g)
    • 4.5 oz konnyaku (konjac) (½ block)
    • ½ lb pork belly slices (tip: If you freeze the meat for about ½ hour ahead of time, it is much easier to cut)
    • 6 cups dashi (Japanese soup stock; click to learn more)
    • 1 Tbsp neutral-flavored oil (vegetable, canola, etc)
    • 2 green onions/scallions
    • 8 Tbsp miso (more or less depending on miso; I used Enjuku Koji Miso from Hikari Miso)
    1. Gather all the ingredients.
      IP Tonjiru Ingredients
    To Prepare Ingredients
    1. Cut the potatoes into ¼ inch (6 mm) thick slabs and then cut into sticks. Soak the potatoes in water to remove the starch, for about 15 minutes.

      IP Tonjiru 2
    2. Cut the onion into thin slices.
      IP Tonjiru 1
    3. Cut the daikon into ¼ inch (6 mm) thick slabs and then cut into sticks.

      IP Tonjiru 3
    4. Cut the carrot in half lengthwise, then cut into ¼ inch (6 mm) thick slices.

      IP Tonjiru 4
    5. Scrape the gobo skin with the back of the knife. Gobo has a delicious earthy taste right below the skin; therefore, you do not use a peeler to peel off the soft skin. Cut the gobo in half lengthwise.

      IP Tonjiru 5
    6. Thinly slice gobo diagonally. Soak in water for 15 minutes to get rid of the bitter taste. Optional: add a dollop of vinegar to the water to make the gobo white.

      IP Tonjiru 6
    7. Cut the konnyaku into ¼ inch (6 mm) thick slabs, then cut into sticks.

      IP Tonjiru 7
    8. Blanch the konnyaku in boiling water for 3 minutes to remove the smell. Drain konnyaku with a sieve.

      IP Tonjiru 8
    9. Cut the pork belly slices into 1 inch (2.5 cm) thick pieces. Tip: If you freeze the meat for about ½ hour ahead of time, it is much easier to cut.

      IP Tonjiru 9
    To Cook
    1. All ingredients should be ready to go.
      IP Tonjiru 10
    2. Press the “Sauté” button on your Instant Pot and heat 1 Tbsp cooking oil.
      IP Tonjiru 11
    3. When the oil is hot, add the onion and coat with the oil. Then add the meat and stir to combine.
      IP Tonjiru 12
    4. Add all the vegetables and konnyaku.
      IP Tonjiru 13
    5. Stir to combine and then add in the dashi last.

      IP Tonjiru 14
    6. Dashi should cover the ingredients. The vegetables will release moisture so don’t worry if you feel the soup is not enough at this stage. If dashi is not covering the ingredients, add more dashi (or water).
      IP Tonjiru 15
    7. Press “Cancel” to stop the “Saute” menu. Close the lid and press the “Manual” or “Pressure Cook” menu. Then set HIGH pressure for 1 minute. Make sure the steam release handle points at “sealing” and not “venting”. The float valve goes up when pressurized.
      IP Tonjiru 16
    8. While the ingredients in the soup are being cooked, you can cut the green onions and set aside.

      IP Tonjiru 17
    9. When it’s finished cooking, the Instant Pot will switch automatically to the “Keep Warm” mode. Let the pressure release naturally for 30 minutes. If the valve hasn’t dropped yet, then quick release the air (be careful and cover your fingers with a mitten or kitchen towel).
      IP Tonjiru 18
    10. Open the lid and check if the hard vegetables are tender.
      IP Tonjiru 19
    11. Add miso. I used 8 Tbsp of Hikari Miso Enjuku Koji Miso.

      IP Tonjiru 20
    12. Dissolve the miso in a ladle before releasing it to the soup. Make sure to taste the miso soup. If you added too much miso, add dashi (or water) to dilute. If it’s not enough, add more miso ½ Tbsp at a time.

      IP Tonjiru 21
    To Serve
    1. Pour the Tonjiru in a big bowl and sprinkle some green onions. Serve immediately. You can sprinkle shichimi togarashi or add a dollop of yuzu kosho for a spicy kick.

      IP Tonjiru 22
    To Store
    1. Let cool completely and store in the refrigerator for up to 3-4 days. When you reheat, make sure not to over boil the miso soup. Tip: The best way to store miso soup is actually to store the soup BEFORE adding miso. You can take out the portion you will need into another pot and then add miso to taste. That way, you will always have the best tasting miso soup every time.

    Make It Into A Meal

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