Serious Miso-Marinated Black Cod

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A Japanese-inspired dish where miso's umami depth meets the delicate texture of black cod, requiring precise technique. This japanese-inspired one pot ready in about 60 minutes pairs black cod fillets, miso paste, mirin for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 40 min Cook: 20 min Serves 4 Japanese cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a bowl, whisk together 1/3 cup miso paste, 2 tbsp mirin, 2 tbsp sake, 1 tbsp soy sauce, 1 tbsp grated ginger, and 1/2 cup water. Add 4 cod fillets and marinate for 30 minutes at room temperature.
  2. Step 2: Preheat oven to 375°F (190°C). Line a baking dish with 1 tbsp olive oil. Place cod in the dish and pour 1/3 of the marinade over the fish.
  3. Step 3: Bake for 20 minutes until fish flakes easily. Meanwhile, sauté 2 sliced green onions in 1 tbsp oil until golden. Serve cod with onions and remaining marinade drizzled over the top.

Frequently asked questions

How long does Serious Miso-Marinated Black Cod take to make?

Total time is about 60 minutes (40 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Serious Miso-Marinated Black Cod?

Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.

Can I substitute ingredients in Serious Miso-Marinated Black Cod?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Serious Miso-Marinated Black Cod for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Serious Miso-Marinated Black Cod?

Japanese one pot like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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