Spicy Negi (Long Green Onion) | Ramen Topping

Spicy Negi (Long Green Onion) | Ramen Topping

Crisp, spicy negi tossed in sesame oil and chili — a ramen topping that adds heat, crunch, and aroma to any bowl.

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About This Recipe

Supplementary image for explanation

Pairs well with: Shoyu (soy sauce) ramen, Miso ramen

Spicy negi is one of those toppings seen regularly at ramen shops — and once experienced, it is easy to understand why. The crisp, refreshing snap of shredded long green onion, its clean aroma, and the gentle heat come together to lift a simple bowl of ramen into something that feels more considered and complete.

Unlike richer toppings such as chashu or marinated eggs, spicy negi works on the bowl as a whole. It cuts through the richness of tonkotsu, adds a bright, fragrant note to miso, and brings a clean, well-placed accent to shoyu. The textural contrast also keeps every bite lively until the very last slurp.

The technique is as simple as it gets — the long green onion is shredded, briefly soaked in cold water for a crisp finish, then tossed lightly with sesame oil, chili oil, and a few other seasonings. Spice level is easy to adjust, making it equally suited to those who prefer gentle warmth and those who like it bold.

This recipe is part of our Ramen Topping series — a collection of homemade toppings that transform any bowl of ramen, including instant noodles, into a restaurant-quality experience. Each topping works beautifully on its own, and the more you layer, the more satisfying the bowl becomes.

 

Ingredients (Serves 2–3)

  • Long green onion (naga negi) 1


Seasoning
  • Soy sauce 1 tsp
  • Chicken bouillon powder ½ tsp
  • Sesame oil 1 tbsp
  • Chili oil ½–1 tsp
  • White sesame seeds as needed
  • Japanese chili powder (ichimi togarashi) to taste, optional


Optional Add-ins
  • Garlic to taste, optional
  • Black pepper to taste, optional
  • Doubanjiang (spicy bean paste) to taste, optional

 

Instructions

1Cut the long green onion into 1½–2 inch (4–5 cm) lengths. Make a shallow lengthwise cut into each piece and open it flat. Remove the inner core, then shred finely along the grain into thin strips. Soak in cold water for 5 minutes, then drain and pat dry.

Tip
Soaking in cold water softens the sharpness of the negi and creates a crisper texture. Avoid soaking for longer than 5 minutes, as prolonged soaking dulls the aroma.
2In a bowl, combine the soy sauce, chicken bouillon powder, sesame oil, chili oil, and ichimi togarashi if using. Add the shredded negi and toss lightly to coat.

Tips
  • Avoid over-mixing — handling too vigorously draws out moisture from the negi.
  • Adjust the amount of chili oil and ichimi togarashi to your preferred spice level.
3Rest for 5–10 minutes to allow the flavors to meld. Once the negi has softened slightly, it is ready to serve. Pile generously over hot ramen.

Tip
  • Freshly made, the texture is at its crispest. After 10 minutes, the flavors are more fully integrated. Enjoy at whichever stage suits your preference.
  • Tossed with sliced chashu, spicy negi becomes a simple izakaya-style side dish in its own right.
  • Also works well as a topping on hiyashi chuka (chilled ramen) and mazesoba.