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Sheet Pan Miso-Glazed Black Cod with Bok Choy and Shiitake Mushrooms

By PanPotPlates Test KitchenReviewed by PanPotPlates Editorial TeamPublished Apr 14, 2026 · Updated May 11, 2026
Japanese-Inspired 35 mins sheetpanonepaneasyhealthypescatarianglutenfreedairyfreefamily-friendlylightseasonalquickflavorfulumamiblack cod recipe

Enjoy a flavorful, nutrient-dense sheet pan dinner of miso-glazed black cod roasted alongside tender baby bok choy and shiitake mushrooms. This easy, healthy, gluten- and dairy-free Japanese-inspired meal is perfect for quick family dinners with bold umami flavors and seasonal freshness.

Sheet Pan Miso-Glazed Black Cod with Bok Choy and Shiitake Mushrooms
Prep 15 min
Cook 20 min
Total 35 min
Servings 4
Difficulty easy
Cuisine Japanese-Inspired

Recipe Details

Prep15 min
Cook20 min
Total35 min
Servings4
Difficultyeasy
CuisineJapanese-Inspired
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Ingredients

Servings 4
  • 4 black cod fillets (about 6 ounces each), skin on
  • 3 tablespoons white miso paste
  • 2 tablespoons mirin
  • 1 tablespoon sake (or dry white wine)
  • 1 tablespoon maple syrup or honey
  • 1 teaspoon soy sauce or tamari (gluten-free if needed)
  • 1 tablespoon vegetable oil or neutral oil
  • 1 pound baby bok choy, halved lengthwise
  • 8 ounces fresh shiitake mushrooms, stems removed and sliced
  • 2 cloves garlic, minced
  • 1 teaspoon grated fresh ginger
  • Salt and freshly ground black pepper, to taste
  • 1 tablespoon toasted sesame seeds (optional, for garnish)
  • 2 scallions, thinly sliced (optional, for garnish)

Instructions

  1. Preheat your oven to 400°F (200°C). Line a large rimmed sheet pan with parchment paper or lightly grease it with oil.
  2. In a small bowl, whisk together the white miso paste, mirin, sake, maple syrup (or honey), and soy sauce until smooth to form the savory miso glaze.
  3. Place the black cod fillets on the prepared sheet pan, skin side down. Brush each fillet generously with the miso glaze. Reserve any remaining glaze.
  4. Arrange halved baby bok choy and sliced shiitake mushrooms evenly around the fish on the sheet pan.
  5. In a small bowl, combine minced garlic, grated ginger, and vegetable oil. Drizzle this mixture over the vegetables. Season everything with salt and freshly ground black pepper.
  6. Roast in the oven for 15 minutes.
  7. Brush the black cod fillets with the reserved miso glaze again, then roast for an additional 5 minutes or until the fish is opaque and flakes easily with a fork, and the vegetables are tender.
  8. Remove from oven. Optionally, sprinkle with toasted sesame seeds and sliced scallions before serving.
  9. Serve immediately to enjoy the delicate umami flavors and fresh, seasonal ingredients in this easy sheet pan dinner.

Frequently Asked Questions

Reader questions and answers for this recipe will appear here.

Customize this sheet pan dinner to fit your dietary needs or ingredient availability with these simple, flavor-preserving substitutions:

  • Black Cod: Substitute with sablefish, salmon, or firm white fish like halibut for a similar rich texture.
  • White Miso Paste: Use yellow or red miso for a deeper flavor, or low-sodium versions for less saltiness.
  • Mirin and Sake: Replace with dry white wine or apple cider vinegar plus a pinch of sugar to replicate sweetness and acidity.
  • Maple Syrup or Honey: Substitute agave nectar or brown rice syrup to keep the glaze vegan and gluten-free.
  • Soy Sauce or Tamari: Coconut aminos make a gluten- and soy-free alternative with a milder sweetness.
  • Vegetable Oil: Olive or avocado oil offer healthy alternatives with distinct flavor profiles.
  • Bok Choy: Baby spinach, Swiss chard, or Napa cabbage work well as mild leafy green replacements.
  • Shiitake Mushrooms: Cremini or button mushrooms provide a similar earthiness if shiitakes are unavailable.

These swaps keep the dish budget-friendly, nutritious, and aligned with the original recipe’s light, flavorful, and family-friendly profile.

Pan Or Pot Required

This recipe requires a rimmed sheet pan, making it a quintessential Sheet Pan Dinner. The large sheet pan ensures the black cod fillets roast perfectly alongside the baby bok choy and shiitake mushrooms, melding flavors while simplifying cleanup.

Lining the sheet pan with parchment paper or lightly greasing it prevents sticking and makes cleanup effortless. The rimmed design helps contain juices from the miso glaze, enhancing caramelization and flavor development during roasting.

This one-pan meal approach streamlines weeknight cooking, preserving the recipe’s goals of being quick, healthy, family-friendly, and full of vibrant, seasonal taste.

If you don’t have a rimmed sheet pan, choose a baking sheet with at least a 1-inch lip to hold ingredients and prevent spills. Avoid shallow pans that cannot contain liquids properly.

Cookware Size Guidance

Use a large rimmed sheet pan—ideally an 18x13-inch (half-sheet)—to comfortably fit 4 black cod fillets alongside halved baby bok choy and sliced shiitake mushrooms in a single layer. This spacing ensures even roasting and optimal caramelization of both fish and vegetables.

The rimmed sides are crucial to contain the miso glaze and juices that develop during cooking, preventing leaks and making it easier to handle the pan safely.

For smaller portions (1-2 servings), a smaller rimmed pan (~11x15 inches) works, but avoid pans without rims or pans that crowd the ingredients, as that can cause steaming rather than roasting, reducing flavor and texture quality.

Cookware Swap Guidance

This Sheet Pan Miso-Glazed Black Cod recipe is designed for one-pan roasting convenience, but here are acceptable cookware substitutes aligned with PanPotPlates style and taxonomy:

  • Oven-Safe Skillet or Cast Iron Pan: A large ovenproof skillet allows roasting the fish and veggies together with minimal cleanup, preserving the onepan and skillet meals tags.
  • Casserole Dish or Roasting Pan: Any deep, oven-safe dish can be used to contain the ingredients and juices during roasting, fitting the casserole category.
  • Broiler Pan with Rack: Use a broiler pan lined with parchment or foil to drain excess moisture and achieve a roasted effect, ideal for a quick and healthy family meal.

Avoid using non-oven-safe cookware like plastic or slow cookers since the recipe requires high-heat roasting to develop rich umami miso caramelization. For alternative cooking methods, consider PanPotPlates’ Slow Cooker One-Pot or Instant Pot Recipes, though they yield different textures and flavors.

These substitutions maintain the easy cleanup and intense flavors that define this sheet pan dinner’s appeal.

Leftovers Quality

This sheet pan miso-glazed black cod dinner stores well as leftovers if refrigerated promptly. Place uneaten portions in an airtight container within two hours of cooking. For best taste and texture, consume within 1-2 days due to seafood's perishability.

Reheat gently in a low oven (around 275°F/135°C) for 10-15 minutes or use medium-power microwave bursts. Cover loosely or add a splash of water or broth to prevent drying. Avoid overheating to preserve the fish’s delicate umami and the vegetables' tender texture.

You can freeze leftovers (up to one month) wrapped tightly in freezer-safe packaging. Thaw overnight in the refrigerator before reheating, though texture may slightly change, especially in the bok choy.

Following these storage tips helps retain the meal’s fresh flavors and makes it a convenient option for busy nights following initial preparation.

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