Japanese Sea Urchin Rice Bowl (Uni Don)

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Celebrate the arrival of autumn with this luxurious Japanese sea urchin rice bowl. Featuring fresh uni, vibrant roe, and a silky quail egg for a rich, creamy finish.

↓ The ingredients ↓ The steps

Uni Don is a refined celebration of seasonal ingredients, highlighting the delicate, sweet, and oceanic flavor of fresh sea urchin. This bowl balances the buttery richness of premium uni with the popping texture of tobiko and the umami depth of seaweed, creating a sophisticated yet approachable Japanese delicacy perfect for seafood lovers.

A vibrant bowl of fresh uni, tobiko, seaweed salad, and sweet shrimp served over warm rice with a raw quail egg yolk.
A vibrant bowl of fresh uni, tobiko, seaweed salad, and sweet shrimp served over warm rice with a raw quail egg yolk.
Prep15 mins
Cook5 mins
Total20 mins
Yield1 bowl
DifficultyMedium
Calories350 kcal

Ingredients

Instructions

  1. 1Cut the sea urchin mouth
    A close-up of a hand using scissors to remove the mouth section from a whole fresh sea urchin.

    Hold the fresh sea urchin securely in a white cloth. Use scissors to carefully cut off the mouth section located at the center of the underside.

    Tip: Be gentle to avoid crushing the delicate shell while cutting.
  2. 2Open the sea urchin
    Scissors cutting a circular opening into the shell of a sea urchin to reveal the interior.

    From the center opening created by removing the mouth, use scissors to cut outwards in a circular motion to widen the opening and expose the interior of the sea urchin.

    Tip: Cut slowly to keep the shell pieces from falling inside the urchin.
  3. 3Scoop the roe
    A metal spoon extracting bright yellow sea urchin roe from inside the spiky shell.

    Use a small metal spoon to gently scoop out the yellow sea urchin roe (glands) from the dark interior of the shell. Work carefully to extract them in large, intact pieces.

    Tip: The roe is very soft, so use a light touch with the spoon.
  4. 4Clean the roe
    Sea urchin roe being carefully rinsed in a hand under a gentle stream of running water.

    Place the scooped sea urchin roe into the palm of your hand. Gently rinse under a thin stream of drinking water to wash away any remaining dark membranes or debris, leaving only the clean yellow glands.

    Tip: Use a very gentle flow of water to prevent breaking the delicate roe.
  5. 5Arrange on rice
    Chopsticks placing yellow sea urchin roe onto a bed of warm white rice in a bowl.

    Prepare a bowl of warm, cooked white rice. Using chopsticks, carefully place the cleaned yellow sea urchin roe sequentially onto the surface of the rice.

    Tip: Arrange the pieces neatly to create an appealing presentation.
  6. 6Add fish roe
    Chopsticks adding orange flying fish roe to a rice bowl already containing sea urchin.

    Use chopsticks to add a generous portion of bright orange flying fish roe (tobiko) to the remaining empty sections of the rice bowl alongside the sea urchin.

    Tip: The contrasting colors of the sea urchin and the orange roe make the dish look vibrant.
  7. 7Add seaweed salad
    A close-up of bright green seaweed salad being placed into a patterned Japanese-style bowl filled with rice and seafood.

    Take a portion of bright green, vibrant seaweed salad and carefully place it into the rice bowl, positioning it next to the existing sea urchin and other seafood toppings. The seaweed adds a refreshing texture and color to the bowl.

    Tip: Drain any excess liquid from the seaweed salad before adding it to the bowl to keep the rice from becoming soggy.
  8. 8Add sweet shrimp
    Raw, translucent sweet shrimp being placed on the side of a seafood rice bowl.

    Carefully arrange a few pieces of raw sweet shrimp along the edge of the assembled rice bowl. The translucent, delicate shrimp enhance the presentation and provide a sweet flavor profile to the dish.

    Tip: Ensure the shrimp are fresh and deveined before arranging them for the best raw experience.
  9. 9Prepare quail egg yolk
    A raw, vibrant yellow quail egg yolk being lifted with a small metal spoon from a white bowl.

    Gently crack a raw quail egg into a small dish. Use a small metal spoon to carefully lift the delicate yellow yolk, separating it from the egg white, ensuring the yolk remains intact.

    Tip: Quail eggs have very thin shells; crack them gently on a flat surface to avoid breaking the yolk inside.
  10. 10Add quail egg yolk
    A bright yellow raw quail egg yolk being placed into the center of a rice bowl topped with various seafood.

    With precision, gently transfer the separated raw quail egg yolk from the spoon and place it directly into the center of the prepared seafood rice bowl, nestled amongst the sea urchin and roe.

    Tip: The yolk acts as a rich sauce; place it carefully so it does not break before serving.
  11. 11Drizzle with soy sauce
    Dark soy sauce being poured from a bottle over a colorful, finished seafood rice bowl.

    Finish the dish by slowly drizzling a small amount of dark soy sauce from a bottle over the top of the assembled sea urchin, seafood, and rice. This adds the final savory seasoning required before serving.

    Tip: Add soy sauce sparingly; you can always add more at the table, but too much will overpower the delicate flavor of the sea urchin.

Burn It Off

Yoga
~1 hour and 35 minutes of gentle, mindful yoga.
Brisk Walking
~1 hour and 10 minutes at a moderate pace (~5 km/h).
Kitchen Cleaning
~2 hours of post-meal kitchen cleaning.

Frequently Asked Questions

Fresh sea urchin should have a bright, vibrant color and a firm, intact texture. It should have a sweet, clean scent of the ocean without any sour or overly pungent smell.
While sweet shrimp (amaebi) are traditional for their raw, silky texture, you can use blanched or poached shrimp if you prefer a cooked topping. However, ensure the shrimp are chilled before adding them to the bowl.
Consuming raw eggs carries a risk of salmonella. If you are immunocompromised or prefer to avoid raw egg, you can skip it or use pasteurized eggs.
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