Oh, you guys, have I got a noodle dish for you! If you’re anything like me, you love a meal that’s ridiculously quick but tastes like you slaved away for hours, right? Well, this Creamy Mentaiko Udon | Salty Fish Roe Noodles Recipe is exactly that. It’s this incredible blend of salty, slightly spicy mentaiko – which is basically spicy cod roe – folded into a luscious, creamy sauce that just coats these chewy udon noodles. I first stumbled upon this magic years ago at this tiny Japanese spot downtown, and I’ve been trying to recreate it at home ever since. It’s become my go-to for a fast weeknight dinner when I need something comforting STAT!

Why You’ll Love This Creamy Mentaiko Udon
Seriously, this dish is a weeknight game-changer. Here’s why you’ll be making it on repeat:
- Super Speedy: We’re talking dinner on the table in about 15 minutes, start to finish! Perfect for those nights you’re starving.
- Ridiculously Easy: No fancy techniques needed. The sauce comes together in a single pan while your udon boils.
- Unique Salty-Spicy Kick: That mentaiko flavor is just out of this world – savory, a little spicy, and totally addictive.
- Incredibly Creamy: The combination of butter and cream makes for a luscious sauce that clings to every noodle.
- So Comforting: Chewy udon noodles in a rich sauce? It’s basically a hug in a bowl.
- Customizable: Easily adjust the spice level or add your favorite toppings.
Gather Your Ingredients for Creamy Mentaiko Udon
Alright, let’s get our mise en place ready! The beauty of this dish is how few ingredients it actually needs. You’ll want to grab:
- 200g udon noodles: I love using fresh or frozen for the best chewy texture, but the dried stuff works in a pinch!
- 2 tablespoons mentaiko (spicy cod roe): This is our star! Make sure to remove the thin membrane holding the roe together and give it a rough chop. It’s packed with salty, spicy goodness.
- 1 tablespoon unsalted butter: Make sure it’s softened so it melts easily into that lovely sauce.
- 1/4 cup heavy cream: This is what makes it all wonderfully creamy and rich.
- 1 tablespoon soy sauce: Just a touch to boost that umami flavor.
- Nori seaweed, shredded: For that classic Japanese garnish.
- Scallions, finely chopped: For a little fresh pop of green and oniony flavor.
Finding mentaiko is usually pretty easy these days! I often grab mine from the seafood counter at my local Asian grocery store, or sometimes they have tubs of it in the refrigerated section. Make sure you get the ‘mentaiko’ kind, which is usually seasoned – ‘tarako’ is unseasoned, but can work too if you really can’t find mentaiko. Trust me, it makes all the difference!
Mastering the Creamy Mentaiko Udon Sauce
Okay, now for the heart of this dish – that amazing sauce! It’s honestly so simple, but there are a couple of little things that make it sing. First off, we want to work over medium heat. This is key because we don’t want to scorch anything, especially our lovely cream. Grab a pan, melt that unsalted butter (I like it softened so it just glides in), and let it get nice and bubbly. For tips on getting your udon perfectly cooked to the right texture, check out how to cook pasta; the principles are pretty similar for udon!
Next, toss in your chopped mentaiko. You’ll want to break it up a bit with your spoon as it cooks for just about a minute. You’ll notice it starts to release its salty, spicy aroma – it’s incredible! Then, pour in your heavy cream and that little splash of soy sauce. Keep stirring constantly as it simmers for another minute. My little trick? I always save a tiny bit of the hot pasta water from when I cook my udon. If the sauce looks a *tiny* bit too thick, whisking in just a tablespoon or two of that starchy water can make it extra silky and help it coat the noodles perfectly. Seriously, it makes all the difference in achieving that luscious, clingy texture you’re dreaming of!
Bringing it All Together: The Salty Fish Roe Noodles Recipe
Alright, we’re almost there! This is the part where all those delicious components come together to create magic. Once your udon noodles are cooked up perfectly – remember, you want them nice and chewy, not mushy! – give them a quick drain. Then, immediately add those hot noodles right into the pan with that glorious, creamy mentaiko sauce we just made. Toss everything together gently but thoroughly. You really want to make sure every single strand of udon gets coated in that luscious sauce. Trust me, the heat from the noodles and the sauce will meld everything beautifully. It’s best to serve this right away, while it’s piping hot and the sauce is at its creamiest. Top it off with a generous sprinkle of shredded nori seaweed and some fresh, chopped scallions. It adds such a lovely bit of texture and a fresh counterpoint to all that richness!

Tips for the Perfect Creamy Mentaiko Udon
You know, even with a super simple recipe like this, a few little tricks can really elevate your Creamy Mentaiko Udon from good to absolutely unforgettable. I’ve learned a thing or two after making this loads of times, and I want to share them with you!
Noodle Perfection is Key
Seriously, don’t overcook your udon! I know I said it before, but it bears repeating. Udon noodles should have a delightful chew to them, a little bit of bite. If they get mushy, the whole texture of the dish is off. I usually cook them for just a minute or two less than the package directions suggest, then give them a quick rinse under hot water to stop the cooking and get rid of any excess starch. That way, they’re perfect for soaking up all that creamy sauce without turning into a sticky mess.
Sauce Consistency Matters
You want that sauce to be luscious and clingy, coating every single noodle. My biggest tip here is to use that starchy pasta water I mentioned earlier! If your sauce seems a little too thick after you add the noodles, or it’s not coating them quite right, whisk in a tablespoon or two of the hot udon cooking water. That little bit of starch is magic – it emulsifies the sauce and makes it perfectly smooth and clingy. It’s better than adding more cream, which can make it too rich!
Adjust That Spice Level
Mentaiko can vary a bit in how spicy it is, and everyone’s heat tolerance is different! Don’t be afraid to taste as you go. If you want it extra punchy, add a little more mentaiko. If you’re sensitive to spice, you can always add a *tiny* bit more butter or cream to mellow it out, or even use a milder variety of mentaiko if you can find it. It’s your noodle bowl, you make the rules!
Don’t Skip the Garnishes!
I know, I know, sometimes garnishes feel like an extra step. But for this dish, they really make a difference! The shredded nori seaweed adds this wonderful oceanic, slightly crispy pop, and the fresh scallions bring a bright, sharp flavor that cuts through the richness of the sauce. They aren’t just pretty; they add essential layers of flavor and texture. Trust me, it’s worth the extra minute!

Ingredient Notes and Substitutions for Mentaiko Udon
Let’s chat about mentaiko, because it’s the absolute star here! Mentaiko is essentially spicy pollock or cod roe. It’s got this incredible salty, umami-packed flavor with just a gentle hint of spice that gets all dreamy and creamy when you cook it. I usually find it at my local Japanese grocery store, either in the refrigerated seafood section or sometimes pre-packaged in small tubes. You can learn more about it here!
What If I Can’t Find Mentaiko?
Don’t despair if mentaiko is hiding from you! The closest cousin is tarako, which is plain cod roe. It won’t have that built-in spice, so you might want to add a pinch of chili flakes or a tiny dash of hot sauce to your sauce mixture to compensate. Another option, if you’re really in a pinch or just want something different, is to use a really good quality spicy chili oil or paste. It won’t taste *exactly* the same, of course – the mentaiko brings its own unique seafoody brine – but it can give you a similar spicy, savory kick and help create that delicious sauce base.
Frequently Asked Questions about Creamy Mentaiko Udon
Got questions about this amazing noodle dish? I’ve got answers! Let’s dive into some common things people ask about whipping up this Creamy Mentaiko Udon.
Can I make this vegetarian or vegan?
This specific recipe relies heavily on mentaiko (fish roe) and dairy (butter and cream), so it’s not really possible to make it vegetarian or vegan without a *major* overhaul that would change it completely. If you’re looking for a creamy vegan noodle dish, I recommend exploring other recipes that use plant-based alternatives from the start!
How spicy is mentaiko, really?
Mentaiko is usually described as mildly spicy. It has a pleasant warmth that complements the salty, umami flavors, but it’s generally not overpoweringly hot for most people. Think of it as a gentle kick rather than a fiery blaze! Of course, the spice level can vary a bit depending on the brand, so if you’re super sensitive to heat, you might want to start with a little less and add more if you feel brave!
What kind of udon noodles are best?
For this Creamy Mentaiko Udon, I really love using fresh or frozen udon noodles. They have the most satisfying, bouncy, chewy texture that holds up so beautifully to that rich sauce. Dried udon noodles work too, but they can sometimes be a bit softer or more prone to getting mushy if you’re not careful. Just follow the package directions closely and taste them to make sure they’re not overdone!
Can I use other types of noodles?
While mentaiko udon is truly designed for udon’s thick, chewy texture, you *could* get creative! Spaghetti or linguine would likely be the closest pasta alternatives in terms of thickness, but they won’t give you that distinct bouncy bite. If you try it with a different noodle, let me know how it turns out!

Nutritional Information for Creamy Mentaiko Udon
Just a heads-up, the nutritional info for this amazing dish can vary a bit depending on the exact brands you use and how much you pile on your plate! But generally, here’s a rough estimate per serving:
- Calories: Around 450 kcal
- Fat: About 30g (mostly from butter and cream!)
- Protein: Roughly 15g
- Carbohydrates: Around 35g
- Sodium: Approximately 600mg (mentaiko and soy sauce can be salty!)
- Sugar: About 5g
Remember, these are just estimates to give you a general idea. Enjoy every delicious bite!
Share Your Creamy Mentaiko Udon Creation!
Okay, now it’s YOUR turn! Have you made this Creamy Mentaiko Udon? Did you try it? I’d absolutely LOVE to hear all about it! Drop a comment below and tell me what you thought. Did you tweak it? What did you serve it with? And if you snapped a picture (because let’s be real, you probably did!), share it with me on social media and tag me – I can’t wait to see your delicious noodle creations!