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Beginner Natto Recipe Guide | Easy Ways to Make Natto Taste Good at Home

A beginner-friendly guide to making natto delicious with proper whisking, balanced seasoning, and customizable toppings. Build an easy rice or noodle bowl with flavor boosters and crunchy add-ins.
Prep Time 10 minutes
Total Time 10 minutes
Servings 1 bowl

Ingredients
  

Ingredients

  • 1–2 packs natto (40–50 g each), with included sauce and mustard if provided
  • 1 bowl hot steamed rice, chilled rice, or cooked noodles (soba or udon)
  • Soy sauce or tamari (1–2 teaspoons)
  • Rice vinegar or lemon juice (1/2–1 teaspoon)
  • Mirin or a pinch of sugar (optional, 1/2 teaspoon)
  • Karashi (Japanese mustard) or Dijon (a pea-sized squeeze)
  • Toasted sesame oil (1/4–1/2 teaspoon)
  • Thinly sliced green onions
  • Shredded nori or furikake
  • Toasted sesame seeds
  • Grated ginger
  • Finely diced cucumber or radish
  • Chopped shiso or cilantro
  • Soft-boiled egg, onsen egg, or raw egg yolk
  • Avocado slices
  • Butter (1/2–1 teaspoon, for hot rice)
  • Kimchi
  • Canned tuna or salmon flakes

Instructions
 

Instructions

  • Open the natto pack, remove the film, and add the included sauce and mustard if using, or substitute with soy sauce and a small squeeze of mustard.
  • Whisk the natto with chopsticks or a fork for 30–60 seconds until very sticky, glossy, and aerated.
  • Season with 1–2 teaspoons soy sauce or tamari, 1/2 teaspoon rice vinegar or lemon juice, and 1/4–1/2 teaspoon sesame oil, then taste and adjust salt and acidity.
  • If desired, add mild sweetness with 1/2 teaspoon mirin or a pinch of sugar and stir to combine.
  • Choose a base: spoon natto over hot rice, toss with chilled soba or udon and a splash more soy and vinegar, or pile onto buttered toast or nori sheets.
  • Top with green onions, shredded nori, and sesame seeds, and add a soft-boiled egg or egg yolk, avocado, kimchi, or other preferred add-ins.
  • Serve immediately; if the flavor is too strong, increase the amount of rice, avocado, or egg, and add extra crunch and acidity.

Notes

For milder flavor, whisk longer to aerate. Avoid overheating; keep natto warm at most. Refrigerate leftovers in an airtight container and eat within 1–2 days, or freeze unopened packs for up to 1–2 months and thaw in the fridge overnight.