Yaki-saba no Nitsuke (Grilled Mackerel and Onion Simmer)

Quick answer

Total time: 35 min
Level: Easy
Servings: 3 servings
Ingredients: 7

About this dish

Yaki-saba no nitsuke is a Tottori fish dish made by breaking a whole pre-grilled mackerel into large bite-size pieces and gently simmering it again with onion, water, sake, sugar, and soy sauce.

The method became familiar in inland areas where grilled fish was easier to preserve and transport, bringing smoke and soy broth together with onion sweetness. Because the mackerel is already cooked, a long hard boil would dry and break it. A short gentle simmer softens the onion, and resting the fish in the broth seasons it without disturbing the flesh.

Ingredients (3 servings)

Ingredient	Amount	Unit
fully cooked whole grilled mackerel	1	piece
onion	1	piece
water	600	ml
sake	100	ml
sugar	25	g
soy sauce	100	ml
ginger	15	g

Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

5 steps

1

Heat

Remove fins, head, and large backbone from the fully cooked grilled mackerel and divide flesh into 5cm pieces.

Check carefully with fingers and tweezers for small bones.
2

Prep

Cut the onion vertically into eight wedges through the root so layers stay together.

Slice half the 15g ginger to 2mm and finely shred the remainder.
3

Season

In a wide pan that fits the fish in one layer, combine 600ml water, 100ml sake, 25g sugar, 100ml soy sauce, and sliced ginger and boil for 2 minutes.
4

Control

Place mackerel skin-side up and tuck onion into the gaps.

Cover with a damp paper lid and simmer on low for 12 minutes without hard boiling or turning the fish.
5

Finish

When onion accepts a skewer and mackerel reaches at least 75C, turn off heat.

Rest under the paper lid for 15 minutes, transfer with a wide spatula, and garnish with shredded ginger.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Fully grilled mackerel divided into 5cm pieces
Finish cue: When onion accepts a skewer and mackerel reaches at least 75C, turn off heat.
Avoid this: Because the fish is already grilled, do not turn it; keep skin up and let the paper lid baste it without breaking the flesh.