Japanese Curry Udon

Nothing beats a steaming bowl of curry udon on a cold day! Made with chewy udon noodles served in a thick curry flavoured dashi soup, this dish can be easily customized with your favourite ingredients!

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Jump to:

• What is Curry Udon?
• How to eat curry udon safely
• Ingredients to make homemade curry udon
• Instructions on how to make Japanese curry udon
• Substitutions and variations of this curry udon recipe
• Watch our video for how to make Japanese curry udon
• Step by step recipe
• FAQ

What is Curry Udon?

Curry udon is a soupy noodle dish made with chunky Japanese udon (wheat noodles) served in a thick, glossy curry flavoured dashi soup. You could say that it's a dish where Indian spice meets Japanese noodles, and it's a surprisingly amazing combination!

While most traditional udon dishes are served in a light and thin broth, curry udon is basically on another level. The base of the broth is essentially the same (made with dashi, soy sauce and mirin), however, curry udon is thick, spicy and filling. Regular udon dishes feel quite humble whereas curry udon feels rich and decadent.

Curry udon contains meat (most commonly pork) and can be customized with a wide variety of vegetables. However you could easily make this a vegetarian dish by using vegan/vegetarian dashi and switching the pork out for a meat free alternative!

A brief history of curry udon

If you look at the long history of udon, you could say that curry udon is something completely unique. Curry udon is a noodle dish created by fusing yoshoku (Western-inspired Japanese food) culture and Japanese noodle culture, but when was the dish invented?

Today, curry udon is famous for being a type of Nagoya-meshi (food from Nagoya and surrounding areas), but actually, it wasn't born in Nagoya at all. Actually, I'm from the Nagoya area, and there are many people who misunderstand that it originated from around here.

It is said that the real place of origin is a restaurant called “Sancho-an" (now closed) located in Waseda, Tokyo. Apparently it appeared around the late Meiji period, which is over 100 years ago, I'm actually very surprised that curry udon has such a long history.

Speaking of Waseda in Tokyo, Waseda University is one of the most famous universities in Japan, and it is said that as soon as this novel menu of eating udon with curry soup appeared, it quickly gained popularity amongst students at the time.

Curry udon as "Nagoya-meshi"

Okay, so curry udon is from Tokyo, but why is it considered as Nagoya's specialty in recent years? I'm from the area so I haven't really noticed, but it turns out that curry udon in Nagoya and curry udon in Tokyo are slightly different despite having the same name.

Curry udon in Nagoya is characterized by a very thick broth and especially thick noodles to match the broth, the curry itself is also spicier than that of Tokyo. On the other hand, Tokyo's curry tdon has a lighter broth and is more like a curry flavored ankake udon (udon noodles in a sweet thick sauce). Simply put, Nagoya's curry udon uses a curry roux which is more similar to curry rice.

Nagoya-style curry udon originates from Shachinoya, a long-established chain restaurant that has been around since 1976. The new flavor created by the famous restaurant at that time became very popular among Nagoya people, who love the rich taste.

By the way, people in Nagoya have a tendency to prefer strong or rich flavors and I am no exception. Because of this, my recipe leans towards Nagoya style.

How to eat curry udon safely

It might sound a bit ridiculous, but curry udon is actually considered a "dangerous" food to some and there are many blogs in Japanese that offer advice on how to eat it safely.

"How is it dangerous?" you might ask. Well, because the soup is especially thick, it retains the heat meaning that the soup stays hotter for longer. Also, udon noodles are known for being slippery and heavy which can cause them to fall and splash while you eat them. Slippery noodles in an extra hot curry soup is a recipe for danger. Not only could you get burnt by the splashes, but also the curry soup could stain your clothes so it's a double disaster!

Don't let the danger deter you from this extremely delicious dish though. Here are a few tips I've gathered on how to safely eat curry udon.

Wear dark clothes / napkin

This one might seem obvious, but the best way to prevent curry stains is to of course, wear dark clothes or protect your clothes by covering them with a napkin. Basically, don't wear white! Keep this in mind if you're planning on cooking curry udon or going to an udon restaurant. (Even if you don't order curry udon, a friend or family member might!)

Mix well

First, gently loosen the noodles in the bowl with chopsticks before you start eating. This will help some of the heat escape and also break the noodles apart so it will be easier to pick them up, making them less likely to fall and splash. You can also blow on the soup while mixing to help bring the temperature down more, this will prevent you from burning your mouth too.

Prevent splashes

The biggest danger of curry noodles is splashing, this is what we want to avoid. The best way to prevent this is to not pick up too many noodles at once. If you pick up too many, you're more likely to drop some and the weight of many noodles creates a bigger splash than just a few noodles.

It's also recommend to bow your head slightly when eating and move your face a little closer to the bowl so that the noodles can be slurped up vertically. This puts more distance between the soup and your clothes and less distance between your mouth and the noodles meaning less distance to fall.

Ingredients to make homemade curry udon

Curry udon contains a wider variety of ingredients than other kinds of udon soups. Here is the basic list of ingredients for this recipe:

• Homemade dashi (made with kombu and bonito flakes, plus dried sardines are optional)
• Soy sauce
• Mirin
• Sugar
• Curry powder (I used S&B brand)
• Potato starch
• Thinly sliced pork belly
• Spring onions
• Shimeji mushrooms
• Kamaboko (Japanese fish cake) optional
• Aburaage (twice fried tofu) optional
• Udon noodles

Here I'll go over the key ingredients in a little more detail.

Dashi

To give the curry broth an authentic Japanese flavour, it's important not to skip the dashi. Dashi is a Japanese soup stock made from dried kelp (kombu), bonito flakes (katsuobushi) and sometimes other ingredients such as shiitake mushrooms or dried sardines. When it contains 2 or more ingredients, it's known as "awase dashi".

It's easy to make your own dashi from scratch and only takes about 35-45 minutes from start to finish. If you're interested in learning more about homemade dashi, check out my post on how to make a basic awase dashi. I've also included instructions in the recipe card below.

If you're making a vegetarian version of the dish, make sure to use vegetarian dashi stock. You can check out my recipe for vegan dashi if you want to try making it yourself too!

If you want to save yourself some time, you don't necessarily have to make your own dashi from scratch. You can also buy the following on Amazon:

• Dashi bags
• Instant Dashi Powder

Instant dashi powder is usually made mainly from bonito (skipjack tuna) powder, the one I've linked above also contains kombu, or you can choose sardine or vegetarian too. 

The dashi bags contain kombu, bonito, niboshi and shiitake.

You can simply add dashi bags or dashi powder to water to make a quick dashi, they only take a few minutes so it can cut 30 minutes off your cooking time.

Meat (Pork, beef or chicken)

Classic curry udon is usually made with thinly sliced pork, and I must say it's my favourite meat to use for this dish. The flavours from the fat in the pork add to the broth and give it an authentic flavour that you would expect when you eat curry udon in Japan.

You can also make it with beef, chicken thigh or even top it with a delicious tonkatsu (トンカツ) pork cutlet depending on your preference.

Vegetables

The main vegetables in this dish are spring onions and shimeji mushrooms, but you can also add other vegetables to make it more to your taste. Here are some ideas:

• White onion
• Any kind of mushrooms
• Carrots
• Snow peas
• Aubergine (eggplant)
• Courgette (zucchini)
• Bell Peppers
• Baby Corn

If you're adding other vegetables, make sure you add them early to ensure they're properly cooked. If using white onion, I'd recommend sautéing them before sealing the meat to make them soft.

Curry Powder

One of the best things about this recipe is that you can use any curry powder. It doesn't have to be Japanese curry roux or anything like that because you're already getting Japanese flavours from the dashi and condiments.

I've tried using a mild Indian curry powder and S&B Japanese curry powder to make this dish, both were delicious. I didn't really have a preference here.

I think this recipe tastes best made with curry powder, but you can use Japanese curry roux cubes instead if you prefer.

If you go down the curry roux route, use one cube of Japanese curry roux for each tablespoon of curry powder in the recipe. So 2 tbsp curry powder = 2 cubes of curry roux.

Udon noodles

Udon noodles are thick and chewy noodles made with flour, water and salt.

They come dried, fresh and frozen. Frozen ones have a great texture and can be microwaved for convenience, but any kind of udon works. Simply cook them separately by following the instructions on the packaging, divide them into serving bowls and pour the curry broth over the top!

Extra ingredients

In Japan, udon dishes are usually served with slices of a pink and white Japanese fishcakes called "kamaboko" (かまぼこ) and a sweet deep fried tofu called "aburaage" (油あげ). But these can be hard to find in other countries and they're not essential for the dish.

If you want to upgrade your curry udon, maybe you can add a boiled egg or something deep-fried like tempura or a breaded cutlet on top. That's the ultimate curry udon in my opinion!

Instructions on how to make Japanese curry udon

Here are my step by step instructions on how to make the most delicious Japanese curry udon completely from scratch! For ingredient quantities, check the recipe card at the bottom on the page.

Make dashi

It's perfectly fine to use instant dashi for this dish (and in that case you can skip this step) but this is a "from scratch" recipe so I want to show you how to make your own dashi. It's easy and elevates the depth of flavour!

Start by soaking the kombu (dried kelp) in cold water for 30 minutes. (I also added a few dried sardines but this is totally optional)

After 30 minutes, place the pan on the stove and bring it to almost boiling over a medium heat.

Once small bubbles start to appear, lower the heat to a simmer and add bonito flakes.

Leave it to simmer for 10 minutes and then strain the dashi through a mesh sieve lined with kitchen paper.

You'll end up with a beautiful golden dashi that looks like this:

Brown the meat

For the best flavour and texture, brown your meat first. I used thinly sliced pork belly which is most common for curry udon in Japan, but you could also use beef or chicken if you prefer.

This step also helps render the fat in the meat will add more flavour to your broth!

Add dashi and condiments

Once the meat is sealed, add the dashi, soy sauce, mirin and sugar to the pot.

Bring it to a boil over a medium heat and then lower the heat to a simmer.

Make a quick curry paste

Okay, the term "paste" is used loosely here, but basically I made a curry flavoured slurry which will not only help the curry powder distribute evenly throughout the broth without lumps, but also thicken the broth to give it a true "Japanese curry udon" consistency!

Whisk the curry powder, potato starch and cold water in a small bowl until smooth. The consistency should be similar to pancake batter, if it's too thick then feel free to add a little more water.

Whisk the curry mixture into the broth

Pour the curry mixture into the broth and mix it well. I used a whisk to make sure it was thoroughly mixed into the soup.

Add the rest of the ingredients

Add the rest of the ingredients to the pot. In this recipe I use spring onion, shimeji mushrooms, kamaboko (a Japanese fish cake commonly used in udon dishes) and aburaage (twice fried tofu). For more ingredient ideas, check the substitutions below!

Simmer on a low heat without a lid for about 15 minutes. Mix from time to time to ensure even cooking.

Cook the udon

While the soup is simmering, cook your udon noodles in a separate pot. This is to ensure that the starch from the noodles don't make the soup too thick or floury.

Once cooked, drain the water by pouring them into a colander and rinse with freshly boiled water for the best results.

Dish up

Transfer the cooked udon to serving bowls and pour the soup over the top. Garnish with thinly sliced spring onions and a sprinkle of shichimi chili pepper.

Substitutions and variations of this curry udon recipe

In this section, I will list all the alternative ingredients, substitutions and variations against the recipe card below to make the best Japanese curry udon to your preference:

• Chicken or beef (instead of pork belly)
• Your choice of mushroom (instead of shimeji mushroom)
• Onion (as an additional vegetable)
• Carrot (as an additional vegetable)
• Sweetcorn (as an additional vegetable)
• Spinach (as an additional vegetable)
• Melty cheese (as a guilty pleasure)
• Tonkatsu (as the most naughty topping)
• Shrimp tempura (another naughty topping)

Watch our video for how to make Japanese curry udon

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