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Homemade dashi packets are an easy way to prepare Japanese stock overnight using simple umami-rich ingredients like kombu and bonito flakes. This method places dried ingredients into small filter bags or packets, then steeps them in water slowly so the flavor extracts gently without needing constant attention. Kombu adds clean seaweed depth, while bonito flakes bring smoky savory aroma, and ingredients such as dried shiitake, niboshi, or extra kelp can add more complexity depending on the broth style. As the packets sit overnight, the water becomes clear, balanced, and full of natural umami, ready to use for miso soup, noodle broth, simmered dishes, sauces, or rice dishes. The final result is a practical make-ahead dashi method that saves time, reduces mess, and gives homemade Japanese stock a fresh, clean flavor for everyday cooking.
Transcript
00:0010 minutes on a Sunday that is all it takes to fill your freezers with homemade dashi packets
00:05that brew in to stock cleaner than anything store-bought. Think you can't pull this off?
00:10Watch and find out how easy it is. You can find a printable recipe on my website,
00:15just type homemade dashi packets that you into google and I'll see you there.
00:20So here's the thing about dashi, making it from scratch every single time is incredible,
00:25but honestly, carefully measuring our konbu and kasubushi on a Tuesday night, not happening.
00:32And those instant granules you'll find at the store taste, well, a little what I call junky,
00:38there's really no other word for it. It contains way more than just dashi ingredients.
00:44Store-bought dashi packets are a solid option that I've been recommending, but the good ones cost a lot,
00:50and even the ones labelled additive-free usually sneak in extras like powdered soy sauce or seasoning blends.
00:58And the reason is pretty straightforward. By adding seasoning to the packet,
01:04the manufacturer shapes the flavour profile for you. So when you brew it, you get this immediate
01:10wow this tastes amazing moment right out of the back. Absolutely nothing wrong with that, but just saying.
01:17If you know me, I like customising and building flavours myself, so I start making my own packets at home.
01:24One batch on a lazy Sunday morning gives me enough for weeks.
01:29I drop one into water before bed, and by the next morning, the clean stock is just sitting there in
01:35my fridge, ready to go. Let me show you how to put these together.
01:39We're working with 4 ingredients, 5g of dried konbu, 12g of katoobushi, 3g of niboshi, and 2g of dried shiitake
01:52mushrooms.
01:53Let me quickly talk about each one. Konbu is your umami foundation. Different varieties produce different
02:00stocks. Ma and Rishiri konbu give you something refined and elegant. Great for delicate soups.
02:06Hidaka konbu is more affordable and brews a bolder stock.
02:11For bonito flakes, I specifically recommend thick cut shavings over thin if possible. The thin ones are
02:18super light and fluffy, so they take up a ton of space in the processor and just fly around instead
02:24of
02:24getting caught by the blade. Thick cut shavings are denser, they drop right into the blade, and they grind
02:32evenly in one go. Much less hassle. Niboshi are small dried sardines, and they bring a bold,
02:39briny punch that is especially good in miso soup and udon broth. The key thing here is preparation.
02:45You absolutely need to snap off the heads and pull out the dark guts before grinding. Those parts contain
02:51compounds that will make your dashi bitter and fishy. And finally, dried shiitake mushrooms. I recommend
02:59the sliced kind over the whole caps for one simple reason. Whole dried shiitake can be rock hard,
03:06and can be tough on a small food processor. The sliced ones are thinner, they break down easily,
03:12and they distribute more evenly through the blend. Now grab your food processor or small blender,
03:19we're going to grind the konbu first. And here is a detail that matters more than you might think.
03:25You want to pulse the konbu into coarse chips, not a fine powder. If you grind it too fine,
03:32it releases slimy, stringent compounds too quickly when it hits water, and your dashi ends up cloudy,
03:40maybe even slimy. Keeping it chunkier slows down distraction rate, which is exactly what we want for
03:48for a clean stock. Next, add the kasobushi, the cleaned niboshi, and the dried shiitake into the processor.
03:55If you're using thin bonito shavings instead of thick cut, you will probably need to do this in batches.
04:03Thin shavings are so light and fluffy that they take up a lot of space and tend to fly around
04:09rather
04:09than getting caught by the blade. Pour the ground mixture into the container with your konbu chips,
04:16and give it all a good stir until everything is evenly distributed. Now we portion. Spoon 4g of the
04:25blend into each empty tea bag and seal it up. Each 4g packet is designed to make about 500ml of
04:35cold
04:35brewed dashi and then another 500ml of simmered dashi from the same packet. So roughly 1 litre total
04:43from one tiny bag. If you want to make a larger batch in one go, just double it to 8g
04:51per packet
04:52for 1 litre of cold brewed plus 1 litre of simmered. This recipe gives you about 22g of total blend,
05:00which works out to 5 full grams packets. If you want something lighter or to save money,
05:07try 7g per litre. If you want it more concentrated, bump it up to 9g.
05:15Alright, let me show you the cold brew method. Drop one full grams packet into a container with
05:21500ml of cold water or a full litre if you are using an 8g packet. Cover it up and put
05:30it
05:30in the fridge for at least 12 hours. That is it. No stove, no flotting, no fussing.
05:37One quick note about water. If you live in an area with hard tap water, it is worth using filtered
05:43or bottled soft water for this step. Hard water contains calcium and magnesium that bind with
05:50glutamic acid and basically lock it away so your dashi ends up weaker no matter how good your ingredients are.
05:59Look at this. This is a finished cold brew Ichibandashi, the first extraction,
06:04the purest expression of those ingredients. Now take the packets out and set it aside,
06:11but do not throw it away. We're going to extract even more flavour from it. Transfer that used packet
06:18into a pot with another 500ml of fresh water. Bring the heat up to medium-low until the surface of
06:26the
06:26water just barely trembles. We want a gentle simmer just below boiling and hold it there for about 10
06:34minutes. This is Yonibandashi, the second extraction. It is a bit more rustic than the cold brew.
06:42So think about it. From one little 4g packet, you get about 500ml of Ichibandashi and another 500ml of Nibandashi.
06:53I mean a bit less after some evaporation. That is nearly a litre of homemade stock from this little teabag.
07:01And we're still not done with the packet. Even after 2 rounds of extraction, the spent ingredients have a
07:08little more to give. Empty the contents of the used packet into a dry frying pan and heat it on
07:15low.
07:16Stir continuously until everything is completely dry and toasty.
07:21Then add a splash of soy sauce, a drizzle of mirin, and a pinch of sugar.
07:26Mix it all together and you have got yourself a simple frikake. A rice seasoning you can sprinkle
07:32over a hot bowl of rice. Zero waste. For storage, make a batch of packets on the weekend and keep
07:39the ones
07:40you are not using right away in a sealed freezer bag in the freezer. They will stay good for 2
07:46-3 months,
07:47but the aroma does fade gradually so I personally try to use them up within the first week or 2
07:53for the best flavour.
07:55And that is your homemade dashi packets. A batch takes about 10 minutes on a quiet Sunday,
08:02and from there you have got effortless clean dashi whenever you need it.
08:08Want even more delicious recipes? Grab my free cookbook from the link in the description.
08:14That's a wrap. You can find the full printable version of this recipe on my website linked right
08:19here on the screen. It has all the extra details to help you get it perfect every time.
08:25If you enjoyed this, check out my ultimate playlist. And next week, I'm making easy ponzu salmon.
08:31Hit subscribe so you don't miss it. See you then.
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