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Aji Amarillo & Brown Butter Miso Mazemen

Aji Amarillo & Brown Butter Miso Mazemen

Mazemen is the unsung hero of the ramen shop—a brothless noodle dish that relies entirely on a rich, emulsified sauce clinging to every strand. In this version, we're taking the structural DNA of an Italian Cacio e Pepe, but building it with Peruvian aji amarillo, nutty brown butter, and Japanese white miso.

Kenji Nakamura
Kenji Nakamura
Prep: 10 minutes
Cook: 15 minutes
2
medium
dinnerlunch
mazemenfusionemulsionumami+1

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Timeline

25 minutes
0m10m20m25m
Prep Ingredients
5m
Boil Water
10m
Brown the Butter
5m
Whisk Flavor Base
Cook Noodles
4m
Emulsify Sauce
3m
Garnish and Serve

Ingredients

  • 12 oz Thick ramen noodles(Fresh if possible. Sun Noodle brand is ideal.)
  • 4 tbsp Unsalted butter(Cut into cubes for even melting.)
  • 2 Garlic cloves(Smashed whole.)
  • 2 tbsp Aji amarillo paste(Found in Latin markets; brings floral heat.)
  • 2 tbsp White miso (shiro miso)(Adds sweet, earthy umami.)
  • 1/2 cup Parmigiano-Reggiano(Finely grated on a microplane.)
  • 1/2 cup Noodle cooking water(Reserved from boiling the noodles.)
  • 2 Egg yolks(Raw, for garnishing the hot noodles.)
  • 2 Scallions(Finely sliced.)
  • 2 tbsp Shredded nori(For garnish.)
  • 1 tbsp Lime juice(Freshly squeezed.)

Instructions

  1. 1

    Prep your garnishes and grate the 1/2 cup Parmigiano-Reggiano. Slice the 2 scallions and separate the 2 egg yolks.

    5 min

    Tip: Getting this done now is crucial. Emulsions wait for no one, and once the noodles are cooked, you need to move fast.

  2. 2

    Bring a large pot of water to a rolling boil. Do not salt the water heavily like pasta—fresh ramen noodles already contain sodium and alkaline salts (kansui).

    10 min

    Tip: You want plenty of water so the noodles don't turn into a gummy mass.

  3. 3

    In a large, cold skillet, add 4 tbsp unsalted butter and the 2 garlic cloves. Turn the heat to medium. Swirl the pan occasionally until the butter foams, stops sizzling, and smells deeply nutty with brown milk solids at the bottom. Discard the garlic cloves.

    5 min

    Tip: Watch carefully. The line between browned butter and burnt butter is about 15 seconds.

  4. 4

    Remove the skillet from the heat. Let it cool for 30 seconds, then vigorously whisk in the 2 tbsp aji amarillo paste and 2 tbsp white miso until it forms a smooth, homogenous paste in the warm butter.

    2 min

    Tip: Doing this off the heat prevents the miso from seizing and protects its delicate fermented flavors.

  5. 5

    Drop the 12 oz thick ramen noodles into the boiling water. Stir vigorously for the first 30 seconds so they don't stick. Cook according to package directions until just chewy (usually about 3-4 minutes).

    4 min

    Tip: Thick ramen is essential here—its wide surface area and alkaline chew stand up to heavy sauces.

  6. 6

    Using tongs, transfer the hot noodles directly into the skillet with the miso-butter base. Pour in 1/2 cup noodle cooking water and add the 1/2 cup Parmigiano-Reggiano. Turn the heat to medium-low and toss aggressively. You are forcing the fat, starchy water, and melted cheese to hold hands and form a glossy, thick cream.

    3 min

    Tip: If it looks greasy, add a splash more hot starchy water and keep tossing. Agitation is the key to a stable emulsion.

  7. 7

    Immediately divide the glistening noodles between two warm bowls. Make a small well in the center of each and gently drop in 2 egg yolks (one per bowl). Garnish with the 2 scallions, 2 tbsp shredded nori, and finish with a squeeze of 1 tbsp lime juice.

    2 min

    Tip: The lime juice cuts the richness right at the end. Tell your guests to break the yolk and mix vigorously before eating.

Chef's Notes

Why this works: A brothless emulsion requires three things: fat (brown butter), liquid (noodle water), and an emulsifier. Starchy water gives us a physical thickener, but the secret weapon here is actually the miso and cheese. Both contain proteins and naturally occurring emulsifying compounds that help bind the butterfat and water together. When we aggressively toss it in the pan, we're mechanically shearing those fat droplets into suspension. Breaking the raw egg yolk into the hot noodles at the table adds a secondary emulsion layer right before you eat it. It's food science, but it tastes like pure indulgence.

Frequently Asked Questions

How long does Aji Amarillo & Brown Butter Miso Mazemen take to make?

Aji Amarillo & Brown Butter Miso Mazemen takes about 25 minutes total. That includes 10 minutes of prep and 15 minutes of cooking.

How many servings does this recipe make?

This recipe makes 2 servings.

What skill level is needed for Aji Amarillo & Brown Butter Miso Mazemen?

This recipe is rated medium — it's intermediate, requiring some cooking experience.

What ingredients do I need for Aji Amarillo & Brown Butter Miso Mazemen?

The main ingredients are: Thick ramen noodles, Unsalted butter, Garlic cloves, Aji amarillo paste, White miso (shiro miso), Parmigiano-Reggiano, Noodle cooking water, Egg yolks, Scallions, Shredded nori, Lime juice.

What type of meal is Aji Amarillo & Brown Butter Miso Mazemen?

Aji Amarillo & Brown Butter Miso Mazemen is categorized as: dinner, lunch.