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Just Need Bones and Water : Tonkotsu Broth Recipe by an ex-ramen chef | Part 1

0h 05m video Transcribed Jun 29, 2026 Watch on YouTube ↗
Intermediate 2 min read For: Home cooks and ramen enthusiasts interested in making authentic Tonkotsu broth from scratch.
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AI Summary

This video by an ex-ramen chef teaches how to make authentic Tonkotsu broth using only bones and water. It covers selecting the right bones (knuckle and spine), cleaning them thoroughly, and boiling for 8 hours with key techniques to achieve a creamy, umami-rich broth.

[00:29]
Bone Selection

Knuckle bones provide richness and creaminess; pork spine adds profound umami. Blend them for best flavor.

[01:01]
Soaking Bones

Soak bones in cold water for 6 hours to remove blood and prevent funky taste. Some chefs skip this for a more intense flavor.

[01:13]
Removing Vein

Remove the center vein from the spine to avoid unpleasant smell. Ask butcher to cut spine lengthwise.

[01:56]
Parboiling and Rinsing

Parboil bones for 10 minutes, skimming scum, then rinse under cold water. This step is crucial for clean broth.

[02:57]
Boiling Ratio and Time

Use 1 kg spine and 1 kg knuckles with 5 liters water, aiming for 4 liters final broth. Boil for 8 hours at medium heat.

[03:25]
Key Boiling Tips

Stir every 30 minutes, smash bones with wooden spatula after a few hours, and top up with boiling water as needed.

[04:13]
Final Broth

After 8 hours, strain broth. Result is perfectly emulsified, rich, and umami-packed Tonkotsu broth.

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Tutorial Checklist

1 01:01 Soak knuckle and spine bones in cold water for 6 hours to remove blood.
2 01:13 Remove the center vein from the spine to avoid unpleasant smell.
3 01:56 Parboil bones for 10 minutes, skimming off scum, then rinse under cold water.
4 02:43 Place cleaned bones in pot with 5 liters water (for 2 kg bones). Bring to boil, then reduce to medium heat.
5 03:25 Boil for 8 hours, stirring every 30 minutes. After a few hours, smash bones with wooden spatula to release marrow. Top up with boiling water as needed.
6 04:13 Strain broth through a sieve to remove bones. The broth is ready.

Study Flashcards (10)

What two types of bones are used in the Tonkotsu broth recipe?

easy Click to reveal answer

Knuckle bones for richness and creaminess; pork spine for umami.

00:29

Why are the bones soaked in cold water for six hours?

easy Click to reveal answer

To get rid of the blood and prevent a funky taste.

01:01

What should be removed from the pork spine before cooking?

medium Click to reveal answer

To remove the center vein, which releases an unpleasant smell.

01:13

What is the process for parboiling the bones?

medium Click to reveal answer

Parboil for 10 minutes, skimming off scum, then rinse under cold water.

01:56

How long should the broth boil?

easy Click to reveal answer

8 hours.

03:09

What three tips are given for boiling the broth?

hard Click to reveal answer

Stir every half hour, smash bones with a wooden spatula after a few hours, and top up with boiling water as needed.

03:25

Why should you stir the broth every half hour?

medium Click to reveal answer

To help promote emulsification of fat and water.

03:25

Why should you smash the bones with a wooden spatula after a few hours?

medium Click to reveal answer

To release bone marrow into the broth.

03:43

What is the target volume of finished Tonkotsu broth?

medium Click to reveal answer

4 liters.

02:57

What will the next video cover?

easy Click to reveal answer

Tare, a seasoning sauce for Tonkotsu ramen.

04:28

💡 Key Takeaways

🔧

Soaking bones to remove blood

This step prevents a funky taste and is often skipped by some chefs for a more intense flavor.

01:01
🔧

Parboiling and skimming scum

Removing scum is crucial for a clean, clear broth.

01:56
🔧

Stirring and smashing bones

These actions promote emulsification and release marrow, key to the creamy texture.

03:25
📊

8-hour boiling time

The long boil extracts maximum umami and emulsifies fat with water.

03:09
💡

Blending knuckle and spine bones

Combining different bone types balances richness and umami for a superior broth.

00:29

✂️ Creator Tools: Viral Hooks

AI-generated clip ideas for Shorts based on the transcript

Two Bones for Perfect Tonkotsu

32s

Reveals the secret blend of knuckle and spine bones for rich and umami broth.

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Why Soak Bones for 6 Hours?

42s

Explains the controversial step of removing blood to avoid funky flavors, appealing to both purists and adventurous cooks.

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8-Hour Boil: Don't Skim Foam!

42s

Highlights the long boiling process and the counterintuitive tip to leave white foam, creating creamy emulsion.

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3 Tips for Perfect Tonkotsu Broth

45s

Actionable techniques like stirring, smashing bones, and topping water that ensure a rich, emulsified broth.

▶ Play Clip

The Final Tonkotsu Broth Reveal

32s

Satisfying visual of the creamy, umami-packed broth after hours of work, perfect for food porn.

▶ Play Clip

[00:00] Tonkotsu Ramen is probably the global ramen icon and it's reaching creamy broth is enjoyed by many people around the world and in this video I'm going to introduce you to the way I make my own Tonkotsu broth with a few important tips.

[00:29] There are two kinds of bones I'd like to use in combination today. One is knuckle bones and the other is pork spine. The reason why I'd like to blend them together is that because they have different

[00:44] flavor profiles. While the knuckle gives richness and creaminess to the broth the spine gives profound umami. So when it comes to the knuckles make sure that they're cutting half and bone exposed. Right let's get started now and firstly we're going to clean the bones.

[01:01] Firstly we're going to soak the bones in cold water for six hours to get rid of the blood. By doing this you can achieve the broth without funkiness. Some ramen chefs skip this process to make the broth intentionally funky as it can also be part of flavor when it comes to ramen.

[01:13] Since such kind of broth is usually love it or hate it I'd like to make broth that anyone can enjoy in this video. Now six hours have passed you see the water looks pinkish so we're going to throw it away. Now we're going to remove the center of vein in the spine because that releases unpleasant

[01:39] smell. So in order to do this process make sure to ask your local butcher to cut it in half lengthwise. So the next step is to pervoid the bones to remove the scum put the bones back into the pot and cover

[01:56] with water. Now bring it to a boil on the full whack then simmer for 10 minutes on medium heat

[02:12] constantly skimming off the scum. After 10 minutes or when you don't see the brown foam anymore

[02:28] it's time to strain the bones again and rinse them on the running cold water and that's how to clean the bones when you make them gods broth. Well it seems like a lot of things to do but when it comes to broth making this kind of effort really makes difference so I strongly recommend you guys not skip

[02:43] this. All the bones are properly cleaned now so it's time to boil them. Now place the cleaned bones back into the pot and add water. This time I've got one kilo of spine and one kilo of knuckles. To

[02:57] that we're going to add five liters of water. We're aiming to end up with four liters of some gods broth so start by adding full liters of water and not the level it reaches.

[03:09] Now pour in the rest of the water turn the heat to high and bring it to a boil. Once it starts to boil reduce the heat to medium and from this point we're going to keep it boiling for 8 hours. The reason it takes so long is to extract the full mommy from the bones and the boiling process also

[03:25] helps the water emancipate with the fat from them. Now you'll notice white foam forming on top of the broth as a bowl but there's no need to skim it off. Here are some important tips to keep in mind. Firstly stir the broth every half an hour to help promote emancipation.

[03:43] Secondly after a few hours boiling use a wooden spatula to smash the bones and break up the connective tissues. This helps release the bone marrow into the broth. Finally and boiling water as needed topping up with a few liters whenever the broth level drops below the line we note it.

[03:59] By applying these tips to your broth making you'll achieve a fantastic final result. Finally after 8 hours the tongue gods broth is ready. Let's turn off the heat and strain the bones from

[04:13] the broth. Now look at this perfectly emulsified rich tongue gods broth packed with mommy

[04:28] and porky goodness. Okay that was how to make tongue gods broth. It requires a bit of effort and time but it's definitely worth it. Give it a try and in my next video I'm going to show you how to make

[04:42] tare a sizzling sauce for tongue gods ramen. Alright that's it for this video. If you liked my recipe please give me thumbs up and I'd really

[05:00] appreciate it if you subscribed to my channel as well. Thanks so much for watching, catch you later.

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