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    Home » Soup Recipes

    Homemade Dashi Packets

    Published: Oct 16, 2025 by Natsuko · This post may contain affiliate links · Leave a Comment

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    These homemade dashi packets are perfect for making Japanese umami rich broth. Primarily made with niboshi (dried anchovy), kelp (konbu), bonito flakes (katsuobushi), and dried shiitake mushrooms, they are finely ground and packed into bags, ready to be used anytime. They will be a new staple in your kitchen!

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    Homemade dashi packets on a plate.
    Jump to:
    • What is ‘Umami’ flavor in dashi?
    • What can I use dashi packets for?
    • Ingredients for this recipe
    • How to make dashi packets
    • Tips
    • FAQ
    • You may also like...
    • Recipe

    These dashi packets allow you to make a flavorful base for a variety of Japanese dishes without additives or preservatives. The simple ingredients bring out all the flavors - subtle yet smokey, savory, and umami rich. 

    When dashi ingredients are finely ground, they release their flavors quicker. They are premeasured, and prepackaged into bags, which makes the actual cooking process a breeze. Have them ready in your fridge all the time so you’ll be able to get onto Japanese cooking whenever you want to!

    What is ‘Umami’ flavor in dashi?

    Umami flavor is known as the fifth basic taste which is savory, meaty, or rich. This distinctive type of flavor is considered to be a flavor booster in a dish, making things taste a lot more satisfying.

    The umami flavor occurs from glutamic acid, an amino acid naturally found in many foods such as seaweed, mushrooms, or even cheese. 

    What can I use dashi packets for?

    Use these dashi packets for making a wide range of Japanese dishes like miso soup, noodle broth, or stews (nimono). Simply simmer one or two dashi packet in hot water to get the flavor out, then add seasonings of your choice such as soy sauce, mirin, or salt.  

    Dashi ingredients (katsuobishi, konbu, niboshi, dried shiitake, salt)

    Ingredients for this recipe

    • Kombu (dried kelp)
    • Bonito flakes (katsuobishi)
    • Dried shiitake mushrooms - Cracked into smaller pieces
    • Niboshi (dried anchovy)
    • Salt

    How to make dashi packets

    1. Grind. Place bonito, shiitake mushrooms, and niboshi in a food processor or blender. Process until fine. Transfer to a bowl.

    2. Add konbu. Using a kitchen knife, cut the kombu into tiny pieces (about ½ inch) and add to the bowl. Add salt to the bowl as well and mix.

    Dashi broth powder in a high speed blender.
    Homemade dashi ingredients in a bowl.

    3. Pack. Split the dashi into 10 tea bags or dashi bags. They will each have 8g of dashi, or roughly 1 heaping tablespoonful each. 

    4. Simmer. To make dashi broth, place one packet into 2 cups of water and slowly bring to a boil. Once it reaches the boiling temperature, turn down to low heat immediately and let simmer for 5 minutes. Take the dashi packet out of the water, squeezing the liquid out to get the maximum flavor. 

    Homemade dashi powder being weighed on a scale.
    Dashi broth bag being simmered in a saucepan.

    *See the recipe card below for detailed instructions.

    Tips

    • If bonito flakes do not fit in your blender at once, grind in batches. The volume comes down in seconds, so put some amount, blitz, add more, blitz, and repeat. 
    • You can also store the dashi in an airtight container and transfer to a tea bag as you go.
    • Make sure the tea bags are large enough so the dashi has enough space to spread and release flavor into the broth. I use 10cm x 10.5cm bags.

    FAQ

    What should I do with used dashi packets?

    Tear the bag open and mix into fried rice, or stir fries. If you would like to make it into furikake rice topping, add some soy sauce, mirin, and a touch of sugar. Cook off the moisture in a small pan.

    Can I grind the kombu as well?

    When kombu is ground finely, it releases bitterness and sliminess into the broth. It is best not to ground kombu, roughly cut them into smaller pieces and mix into the rest of the ingredients.

    How can I store dashi packets?

    These dashi packets can be stored in the fridge for up to 1 month, covered tightly. You may also freeze them for up to 3 months, in a freezer bag.

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    Recipe

    Top view of dashi packets on a round plate.

    Homemade Dashi Packets

    These homemade dashi packets are perfect for making Japanese umami rich broth. Primarily made with niboshi (dreid anchovy), kelp (konbu), bonito flakes (katsuobushi), and dried shiitake mushrooms, they are finely ground and packed into bags, ready to be used anytime. This recipe is gluten-free and dairy-free.
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    Prep Time 5 minutes mins
    Cook Time 5 minutes mins
    Total Time 10 minutes mins
    Course Soups
    Cuisine Japanese
    Servings 10 dashi packets
    Calories 20 kcal

    Equipment

    • 10 tea bags or dashi bags approx. 10 x 10 cm

    Ingredients
     
     

    • 0.35 ounces konbu 10g 
    • 1.05 ounces bonito flakes (katsuobushi) 30g
    • 0.7 ounces dried shiitake mushrooms 20g, cracked into smaller pieces
    • 0.7 ounces niboshi (dried anchovy) 20g
    • ½ teaspoon salt
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    Instructions
     

    • Place bonito, shiitake mushrooms, and niboshi in a food processor or blender. Process until fine. Transfer to a bowl.
    • Using a kitchen knife, cut the kombu into tiny pieces (½ inch at most) and add to the bowl. Add salt to the bowl as well and mix.
    • Split the dashi into 10 tea bags or dashi bags. They will each have 8g of dashi, or roughly 1 heaping tablespoonful each. 
    • To make dashi broth, place one packet into 2 cups of water and slowly bring to a boil. Once it reaches the boiling temperature, turn down to low heat immediately and let simmer for 5 minutes. Take the dashi packet out of the water, squeezing the liquid out to get the maximum flavor. 

    Notes

    *Make sure to weigh the ingredients with a kitchen scale. Since they are measured in small amounts, it easier to use metric system (grams) vs US customary system. 
    *Each packet makes 2 cups of dashi broth.

    Nutrition

    Serving: 1packetCalories: 20kcalCarbohydrates: 2gProtein: 3gFat: 0.2gSaturated Fat: 0.1gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 0.1gCholesterol: 4mgSodium: 83mgPotassium: 68mgFiber: 0.2gSugar: 0.1gVitamin A: 2IUVitamin C: 0.1mgCalcium: 6mgIron: 0.2mg

    The nutritional information on this website is only an estimate and is provided for convenience and as a courtesy only. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

    Tried this recipe?Mention @platesbynat or tag #platesbynat!

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    Natsuko Tiong, author of food blog: Plates by Nat

    Hi I’m Natsuko – recipe developer, writer, and photographer behind this blog. Made in Japan, based in Colorado US. Favorite things include peanut butter, matcha, and traveling!

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