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Natto Avocado Ramen

May 23
Prep: 10m
Cook: 3m
Total: 13m
Serves 2-3
Natto Avocado Ramen
Natto Avocado Ramen
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Recipe by: Noodle Jeff 🍜

Natto is the fermented soybean product that Japan is very serious about and much of the rest of the world finds alarming on first encounter. It's sticky, it strings when you pick it up, it smells assertive, and it tastes funky and deeply savory in a way that takes about three servings to fully appreciate. The avocado element is the American accommodation, the thing that softens the encounter and brings natto into the same aesthetic space as avocado toast, which is where the California fusion logic of this bowl lives. Cold ramen noodles with natto and avocado and a soy-sesame dressing is a bowl that has decided it doesn't need to choose between its influences, which is either a strength or a mission statement depending on your appetite for culinary identity politics.

Natto strings and clings—avocado holds the cold—California tries

Let Me Tell You...

I went through a natto phase that started as curiosity and became a genuine habit, which is the best outcome available to you with fermented soybeans.

The first few times it tasted like something I was being polite about.

Then something shifted, the way it always does with acquired tastes, and the stickiness became texture and the smell became aroma and the funk became depth.

Natto on rice is the default but natto on cold ramen noodles is better for reasons I can only partially explain, something about the chewiness of the noodles against the stickiness of the beans.

💡
TIP: Stir the natto vigorously with the included sauce packet before opening.

The stirring creates the sticky web structure and develops the flavor.

Most packages recommend 50 stirs.

The avocado is not ironic.

It doesn't apologize for being here.

It adds a creaminess that natto doesn't have on its own, and it tempers the funk without eliminating it, which is exactly the balance this bowl needs to work for people who are still in the early phases of their natto relationship.

For people who are already committed natto consumers, the avocado is just a nice companion.

💡
TIP: Add natto right before serving and don't mix it into the noodles.

Keep it as a distinct pile on top so the texture and temperature stay separate until the first bite.

The dressing here is soy, sesame oil, and a little rice vinegar, which is the dressing that makes most Japanese cold noodle preparations work.

Ponzu is an upgrade if you have it, adding a citrus note that plays very well against the avocado.

The soft-boiled egg is optional but it adds a richness that turns the bowl from a light lunch into something that can hold you for four or five hours.

💡
TIP: Use ponzu instead of plain soy sauce if you have it.

The citrus in ponzu connects the natto and avocado more elegantly than straight soy.

This is the fastest bowl in this collection and the one most likely to require an explanation to anyone who watches you make it.

Ingredients

  • 8 ounces dried ramen noodles (2 bricks, seasoning packets discarded)
  • 2 packages natto (about 3 oz each), with sauce packets included
  • 1 large ripe avocado, halved, pitted, and sliced
  • 3 tablespoons soy sauce or ponzu
  • 1 tablespoon toasted sesame oil
  • 1 tablespoon rice vinegar
  • 1 teaspoon honey or sugar
  • 1 teaspoon neutral oil
  • 3 green onions, thinly sliced
  • 1 tablespoon toasted sesame seeds
  • 1 sheet nori, cut into thin strips

Preparation

  1. Cook ramen noodles in boiling salted water for 2-3 minutes until just tender. Drain and rinse under very cold water until completely cold. Toss with neutral oil to prevent sticking.
  2. Whisk together soy sauce (or ponzu), sesame oil, rice vinegar, and honey in a small bowl until combined.
  3. Stir natto in its package (or in a bowl) vigorously for 30-50 rotations until the beans become sticky and a web-like structure forms. Mix in the included sauce packets.
  4. Divide cold noodles between serving bowls. Drizzle half the soy-sesame dressing over the noodles and toss gently.
  5. Place a mound of prepared natto on one side of each bowl. Fan sliced avocado across the other side. Scatter green onions, sesame seeds, and nori strips over everything.
  6. Drizzle remaining dressing over the bowl. Add optional toppings and serve immediately.

Perfect Pairings

Drink
Cold Brew Green Tea or Yuzu Sparkling Water
Cold brew green tea's mild bitterness balances the natto's funk without competing with the avocado's creaminess, while yuzu sparkling water adds a California citrus brightness.
!!!!

Topping Ideas

  • Soft-boiled egg
    Halved and placed beside the avocado, it adds richness and protein that makes the bowl a full meal.
  • Pickled ginger
    Sliced thin and placed in a small pile, it adds a bright, palate-cleansing hit between the natto's funkiness.
  • Cucumber ribbons
    Shaved thin with a peeler, they add coolness and crunch against the creamy avocado.
  • Wasabi
    A small amount mixed into the dressing adds a nasal heat that works exceptionally well with natto.
  • Tobiko or masago
    Fish roe adds brine, color, and a subtle ocean note that echoes the nori.
  • Furikake
    A heavy sprinkle ties the Japanese flavor profile together and adds MSG-forward depth.

Chef's Tips

  • Stir the natto vigorously before using. The physical stirring develops the characteristic sticky texture that makes natto what it is.
  • Keep the natto cold until the moment it goes on the bowl. Warm natto on cold noodles creates an unpleasant lukewarm situation.
  • Variation: Mix a small amount of wasabi and soy sauce directly into the natto before placing it on the bowl for a nose-clearing, sharp version.

Serving Suggestion

Serve with the natto and avocado in distinct sections so the eater can choose how to combine them, a soft-boiled egg centered between the two, and cold green tea poured at the table.