Mentaiko Udon Recipe

Craving Mentaiko Udon? Try our easy, authentic Mentaiko Udon recipe - a spicy, creamy Japanese classic. Satisfy your taste buds today!

Mentaiko Udon

    Mentaiko Udon

  • Cuisine: Japanese
  • Category: Main Dish
  • Prep Time:
  • Cook Time:
  • Servings: 2
  • Calories: 500 calories

Mentaiko Udon is a delightful and flavorful Japanese dish that beautifully combines the subtle complexity of udon noodles with the rich, spicy essence of mentaiko, which is marinated spicy cod roe. This dish is a favorite among those who appreciate the umami-packed flavors of Japanese cuisine.

The preparation begins with plump, chewy udon noodles, either fresh or dried, cooked to perfection. The real star of the dish is the mentaiko sauce, which brings a harmonious blend of spiciness, creaminess, and a touch of sweetness. Mentaiko, mixed with mayonnaise, soy sauce, mirin, and a hint of sugar, creates a luscious sauce that clings to the noodles.

Aesthetically, the dish is often garnished with boiled eggs, adding richness, and a dash of green onions for freshness. Some variations even feature nori flakes for an extra layer of texture and flavor. The result is a balance of flavors and textures that make Mentaiko Udon a beloved comfort food in Japan and increasingly popular worldwide.

With a relatively short prep and cook time, this dish offers a tantalizing culinary experience that showcases the beauty of Japanese cuisine – a harmonious blend of diverse flavors and simple yet elegant preparation. Whether you're a fan of Japanese cuisine or a newcomer looking to explore new flavors, Mentaiko Udon is a must-try dish that's sure to leave your taste buds satisfied and craving more.


Discover the irresistible world of Mentaiko Udon! Our guide reveals the secrets to a spicy, creamy Japanese delight you can't resist. 🍜🔥


For the Sauce:

  • 2-3 tablespoons of mentaiko (spicy cod roe)
  • 2 tablespoons of mayonnaise
  • 1 tablespoon of soy sauce
  • 1 teaspoon of mirin (Japanese sweet rice wine)
  • 1/2 teaspoon of sugar

For the Udon:

  • 2 servings of fresh or dried udon noodles
  • 2 boiled eggs (soft or hard-boiled, as per your preference)
  • Chopped green onions for garnish
  • Nori (seaweed) flakes (optional)

Method Instructions

  1. Cook the udon noodles according to the package instructions. Once done, drain and set them aside.
  2. In a small bowl, mix the mentaiko, mayonnaise, soy sauce, mirin, and sugar to create the sauce. Adjust the ingredients to your taste. If you want it spicier, add more mentaiko.
  3. If using soft-boiled eggs, boil them for about 7 minutes, or hard-boil for 9-10 minutes. Then, peel and cut them in half.
  4. In a large bowl, combine the cooked udon noodles with the mentaiko sauce. Toss well to coat the noodles evenly.
  5. Serve the udon in bowls, and top with half of a boiled egg for each serving.
  6. Garnish with chopped green onions and nori flakes for added flavor and presentation.
  7. Enjoy your homemade Mentaiko Udon!

Recipe Video

Mentaiko Udon

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Recipe Tags: Mentaiko Udon, Mentaiko Udon Recipe, Recipe


Serving Mentaiko Udon is a straightforward yet delightful experience. Here's how to do it:

  • Prepare the Bowls: Start by selecting your serving bowls. It's common to use deep, wide bowls for serving udon. Make sure they are clean and dry.
  • Portion the Udon: Divide the prepared Mentaiko Udon evenly between the serving bowls. Use tongs or chopsticks to transfer the udon from your cooking pot to the bowls. Ensure that you get a good balance of noodles and sauce in each serving.
  • Add the Boiled Eggs: Place the halved boiled eggs on top of the udon. The creamy yolk complements the spiciness of the mentaiko sauce.
  • Garnish with Green Onions: Sprinkle chopped green onions on top of the udon. This adds a fresh, slightly pungent flavor and a pop of color to your dish.
  • Optional Nori Flakes: If you have nori flakes, you can sprinkle some over the top. Nori flakes provide a subtle umami flavor and a bit of crunch.
  • Serve Hot: Mentaiko Udon is best enjoyed hot. It's a comforting dish, so serve it while it's still steaming.
  • Chopsticks and Spoons: Provide chopsticks and spoons for your guests to eat the udon. The chopsticks are for picking up the noodles, and the spoons are handy for sipping the delicious broth and catching any toppings that might slip.
  • Enjoy: Encourage your guests or family to mix the ingredients in their bowls before savoring the flavors. The creamy mentaiko sauce should coat the udon noodles, creating a harmonious blend of tastes and textures.


  1. Fresh vs. Dried Udon: Fresh udon noodles are ideal for this dish as they have a soft, chewy texture. However, if you can't find fresh udon, dried udon works well too. Just cook them according to the package instructions.
  2. Adjust Spice Level: The spiciness of Mentaiko can vary, so taste it first before making the sauce. If you like it spicier, add more mentaiko. If you prefer a milder flavor, reduce the amount of mentaiko in the sauce.
  3. Quality of Mentaiko: Try to get high-quality mentaiko for the best flavor. You can find it in Japanese or Asian markets. It should have a fresh, briny taste.
  4. Boiled Egg: The choice between soft-boiled and hard-boiled eggs is a matter of personal preference. Soft-boiled eggs provide a creamier texture when mixed with the sauce, while hard-boiled eggs offer a firmer texture. Choose the one you prefer.
  5. Garnishes: Don't skip the garnishes; they add depth to the dish. Green onions provide a fresh contrast to the creamy sauce, and nori flakes add a hint of umami. You can also get creative with additional toppings like sesame seeds or bonito flakes.
  6. Serving Hot: Mentaiko Udon is best when served hot. Reheat the noodles briefly in the sauce before serving if necessary.
  7. Customization: Feel free to customize the dish to your liking. If you prefer more vegetables, you can add steamed spinach or mushrooms. Some people also like to add a splash of sesame oil for extra flavor.
  8. Leftovers: Mentaiko Udon is best enjoyed fresh, but if you have leftovers, store them in an airtight container in the refrigerator. Reheat gently in a microwave or on the stovetop, adding a little water or broth to maintain the sauce's consistency.
  9. Pairing: This dish goes well with a simple side salad or some pickled vegetables to balance the flavors.
  10. Experiment: Don't be afraid to experiment with the recipe. Adjust the sauce to your liking and make it your own. Cooking should be an enjoyable and creative experience.

Ingredient Substitutes

  1. Mentaiko Substitute:
    • Tobiko: Flying fish roe
    • Spicy Mayonnaise: Mayonnaise with hot sauce
  2. Mayonnaise Substitute:
    • Greek Yogurt
  3. Soy Sauce Substitute:
    • Tamari or Coconut Aminos
  4. Mirin Substitute:
    • Rice Vinegar
  5. Udon Noodle Substitutes:
    • Soba Noodles
    • Rice Noodles
  6. Boiled Egg Substitute:
    • Avocado
    • Tofu
  7. Garnish Substitutes:
    • Chopped Scallions
    • Sesame Seeds
  8. Nori Flakes Substitute:
    • Dried Seaweed Sheets


Explore the world of Japanese flavors with Mentaiko Udon. This dish is a true culinary adventure. Now, it's your turn to savor and enjoy!

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