Miso Glazed Cod with Bok Choy is a simple and tasty dish that brings together the rich, slightly sweet flavor of miso with tender, flaky cod. The glaze creates a beautiful caramelized coat on the fish, while the bok choy adds a fresh, crunchy element that balances everything perfectly. It’s a quick recipe that feels special without needing a lot of fuss.
I love making this dish when I want something light but satisfying. The miso glaze is my favorite part—it’s easy to whip up and gives the fish such a lovely depth of flavor. Sometimes, I like to let the cod marinate in the glaze for a little while before cooking to get even more of that taste inside. It’s a really good way to get a restaurant-style meal right at home.
For serving, I usually put the cod right on top of the sautéed bok choy with some steamed rice on the side. The combination of the warm, savory fish, crisp greens, and fluffy rice feels just right. Plus, it’s a great dish to share with family or friends on a busy weeknight when you want something healthy but still delicious.
Key Ingredients & Substitutions
Cod: This fish is mild, flaky, and perfect for glazing. If you can’t find cod, try halibut, haddock, or even tilapia. I like cod because it holds its shape well.
White Miso Paste: It adds gentle umami and sweetness. If you don’t have white miso, use yellow miso or a mild red miso. Avoid very strong miso types which can overpower the dish.
Mirin and Sake: Both add sweetness and depth. Mirin is sweeter; if you don’t have either, substitute with a mix of dry sherry and a pinch of sugar.
Bok Choy: This leafy green is tender with a mild cabbage flavor. If bok choy is unavailable, baby spinach or chard are fine alternatives, but bok choy gives the best texture contrast.
Citrus garnish: Kumquat or mandarin slices brighten the dish visually and with fresh acidity. If you don’t have these, try thin orange or lemon slices.
How Can I Prevent the Miso Glaze from Burning?
Miso glaze has sugar and can burn quickly under direct heat. Here’s how to keep it perfect:
- Marinate the fish as instructed, but don’t apply too thick a layer of glaze before cooking.
- Cook the fish under a broiler or in a hot pan but watch closely. It usually takes just 4-6 minutes.
- Baste once halfway through cooking with the reserved glaze to keep the flavor balanced.
- If using a pan, cook on medium-high heat to get a nice sear but avoid high heat for too long.
- Don’t walk away! Keep an eye on the glaze so it caramelizes but does not turn bitter.
These steps help achieve a beautifully caramelized, flavorful glaze with no burnt taste.
Equipment You’ll Need
- Baking sheet or oven-safe dish – I like it because it helps you broil or bake the fish evenly without mess.
- Large skillet or wok – perfect for sautéing bok choy quickly and with good color.
- Small bowl – for mixing the miso glaze easily and keeping leftovers for basting.
- Rice steamer or pot with lid – makes fluffy rice without fuss and saves time.
- Kitchen tongs or spatula – for flipping bok choy and handling hot fish safely.
Flavor Variations & Add-Ins
- Replace cod with salmon or halibut for richer flavor profiles that stand up to the miso glaze.
- Add sliced shiitake mushrooms or snap peas with the bok choy for more veggie variety and texture.
- Swirl in a teaspoon of sesame oil or sprinkle toasted sesame seeds on top for extra nuttiness.
- Include a splash of rice vinegar or lime juice on the bok choy for a tangy twist that brightens the dish.
Miso Glazed Cod with Bok Choy
Ingredients You’ll Need:
- 4 cod fillets (about 6 oz each)
- 3 tablespoons white miso paste
- 2 tablespoons mirin (Japanese sweet rice wine)
- 1 tablespoon sake (optional)
- 1 tablespoon soy sauce
- 1 tablespoon honey or maple syrup
- 1 teaspoon grated fresh ginger
- 2 cloves garlic, minced
- 4 baby bok choy, halved lengthwise and rinsed
- 1 tablespoon vegetable oil or sesame oil
- Salt and pepper, to taste
- 1 cup steamed jasmine or sushi rice
- Thinly sliced citrus (such as kumquat or mandarin), for garnish
- Red chili flakes (optional), for garnish
How Much Time Will You Need?
This dish takes about 10 minutes to prepare and 15 minutes to cook, plus 20-30 minutes for marinating the cod. Overall, set aside about 45 minutes from start to finish, including cooking the rice and prepping the vegetables.
Step-by-Step Instructions:
1. Prepare the Miso Glaze:
In a small bowl, mix together the white miso paste, mirin, sake (if using), soy sauce, honey or maple syrup, grated ginger, and minced garlic. Stir it well until all ingredients are combined smoothly.
2. Marinate the Cod:
Pat the cod fillets dry with paper towels. Place them in a shallow dish and spoon about two-thirds of the miso glaze over the fish, coating both sides. Cover the dish and refrigerate for 20-30 minutes, so the flavors soak in. Keep the remaining glaze for later.
3. Cook the Rice:
Prepare the jasmine or sushi rice according to the package instructions, so it’s ready just in time for plating.
4. Sauté the Bok Choy:
Heat the vegetable or sesame oil in a large skillet or wok over medium-high heat. Add the bok choy halves cut side down and cook for 2-3 minutes until they start to brown. Flip and cook the other side for 1-2 minutes. Season lightly with salt and pepper, then remove and set aside.
5. Cook the Cod:
Preheat your oven’s broiler or use a grill pan on medium-high heat. Line a baking tray with foil and lightly oil it if using the oven. Place the cod fillets on the tray, skin side down if they have skin. Broil or grill the fish for about 4-6 minutes until the flesh is opaque and flakes easily. Halfway through, baste the cod with the reserved miso glaze. Keep an eye on the glaze to avoid burning.
6. Plate the Dish:
Place a serving of steamed rice on each plate. Arrange the sautéed bok choy around the rice. Put the glazed cod fillets on top or in the center. Drizzle any leftover glaze over the fish.
7. Garnish and Serve:
Add thin slices of citrus on top or around the dish for a fresh look and flavor. Sprinkle red chili flakes if you like a little heat. Serve immediately and enjoy!
Can I Use Frozen Cod for This Recipe?
Yes! Just make sure to fully thaw the frozen cod in the refrigerator overnight and pat it dry before marinating. This helps the glaze stick better and ensures even cooking.
Can I Make the Miso Glaze Ahead of Time?
Absolutely! You can prepare the miso glaze up to 2 days in advance and store it in an airtight container in the fridge. Give it a quick stir before using.
How Should I Store Leftovers?
Store any leftover cod and bok choy in an airtight container in the fridge for up to 2 days. Reheat gently in the oven or microwave to avoid drying out the fish.
What Can I Substitute for Bok Choy?
If you can’t find bok choy, baby spinach or chard work well as alternatives. Sauté them as you would the bok choy but cook for a shorter time since they’re more delicate.