Umami Sea Urchin & Yuzu Kosho Croquettes with Smoked Soy Glaze
Delicate and creamy croquettes bursting with the oceanic depth of sea urchin and a zesty kick of yuzu kosho. Encased in a crispy panko shell and finished with a savory-sweet smoked soy glaze, these croquettes are an explosion of complex flavors perfect for a sophisticated snack.

Prep Time
105 min
Difficulty
Hard
Servings
4
Calories
350 kcal
Instructions
- 1
Prepare the sea urchin filling: Melt butter in a medium saucepan over medium heat. Whisk in flour and cook for 1 minute until fragrant. Gradually whisk in milk until smooth and thickened, forming a béchamel sauce.
~8 min - 2
Remove from heat. Gently fold in the sea urchin, yuzu kosho, salt, and pepper. Taste and adjust seasoning if needed. Transfer the mixture to a large bowl and cover with plastic wrap, pressing it directly onto the surface to prevent a skin from forming. Chill in the refrigerator for at least 1 hour until firm.
~60 min - 3
Form the croquettes: Scoop the chilled mixture and shape into small, uniform balls or logs (about 1.5 inches in length).
~15 min - 4
Set up a breading station: In one shallow dish, whisk the eggs. In another, place the panko breadcrumbs.
~2 min - 5
Dip each croquette first into the whisked eggs, ensuring it's fully coated, then roll in the panko breadcrumbs, pressing gently to adhere. Place the breaded croquettes on a parchment-lined baking sheet.
~10 min - 6
Prepare the smoked soy glaze: In a small saucepan, combine soy sauce, mirin, smoked paprika, and sugar. Bring to a simmer over medium heat, stirring until sugar dissolves. Reduce heat to low and let it thicken slightly, about 5 minutes.
~7 min - 7
Fry the croquettes: Heat vegetable oil in a frying pan to 350°F (175°C). Carefully fry the croquettes in batches, without overcrowding the pan, until golden brown and crispy on all sides, about 3-4 minutes per batch.
~10 min - 8
Remove croquettes with a slotted spoon and drain on paper towels.
~1 min - 9
Serve: Arrange the croquettes on a serving plate. Drizzle generously with the smoked soy glaze.
~1 min
Tips
- Ensure the sea urchin mixture is very cold and firm before shaping the croquettes. This will prevent them from falling apart during frying.
- For an extra layer of flavor, you can add a small amount of finely chopped chives or pickled ginger to the sea urchin filling before chilling.
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