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Grilled White Fish with Miso Butter

Delicate white fish fillets kissed by flames and finished with a rich, umami-forward miso butter. A simple Japanese-fusion dish that feels restaurant-quality on the plate.

Total time
25 min
Servings
4
Calories
320
Protein
38g
Grilled White Fish with Miso Butter
Japanese-fusionmain-dishjapanese-fusionfishgrilledgluten-freequick-weeknightdairy-free

Ingredients

  • 4 fillets white fish fillets (cod, halibut, or sea bass)
  • 2 tbsp extra-virgin olive oil
  • ¾ tsp kosher salt
  • ¼ tsp black pepper
  • 3 tbsp white miso paste
  • 4 tbsp unsalted butter
  • 1 tbsp sake or dry white wine
  • 1 tbsp mirin
  • 1 tbsp fresh lemon juice
  • 2 stalks scallions, thinly sliced
  • 1 tsp sesame seeds

Instructions

  1. 1

    Make the miso butter: In a small bowl, whisk together the white miso paste, softened butter, sake, mirin, and lemon juice until smooth and fully combined. Set aside at room temperature.

  2. 2

    Prepare the fish: Pat the white fish fillets dry with paper towels, then brush both sides lightly with olive oil. Season generously with kosher salt and black pepper on both sides, about 2 minutes before grilling.

  3. 3

    Heat your grill to medium-high heat (about 400°F). Oil the grates well using a folded paper towel dipped in oil to prevent sticking.

  4. 4

    Grill the fish: Place the fillets on the grill, skin-side up if skin is attached, and cook for 4-5 minutes without moving them. You should see light char marks forming on the bottom.

  5. 5

    Flip the fillets carefully using a thin spatula and grill the other side for 3-4 minutes until the fish is opaque throughout and flakes easily when gently pressed with a fork. Internal temperature should reach 145°F.

  6. 6

    Transfer the grilled fish to a warm serving plate. Top each fillet generously with a spoonful of the miso butter, which will begin to melt into the warm fish.

  7. 7

    Garnish immediately with sliced scallions and sesame seeds, then serve warm. The residual heat will help the miso butter coat the fish beautifully.

Tools you’ll need

  • Grill (charcoal or gas)
  • Small mixing bowl
  • Whisk
  • Thin fish spatula
  • Paper towels
  • Instant-read thermometer

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