Miso salmon is a Japanese-inspired dish where salmon fillets are marinated in a savory-sweet mixture of miso paste, mirin, and soy sauce, then baked or broiled until caramelized. It’s a weeknight favorite because the marinade is quick to whisk together, and the result is deeply flavorful with a glossy, golden crust. This recipe focuses on a balanced version that keeps calories in check while still delivering the rich umami taste you expect.
Ingredients
- 4 salmon fillets (6 oz / 170 g each), skin on or off
- 3 tbsp (45 g) white or yellow miso paste
- 2 tbsp (30 ml) mirin (sweet rice wine)
- 1 tbsp (15 ml) soy sauce (use tamari for gluten-free)
- 1 tbsp (15 ml) rice vinegar
- 1 tsp (5 ml) toasted sesame oil
- 1 tsp (5 g) grated fresh ginger
- 1 clove garlic, grated
- 1 tbsp (15 g) brown sugar or honey (optional, for extra sweetness)
- 1 tbsp (15 g) sesame seeds, for garnish
- 2 green onions, thinly sliced, for garnish
Instructions
- In a small bowl, whisk together the miso paste, mirin, soy sauce, rice vinegar, sesame oil, ginger, garlic, and brown sugar (if using) until smooth.
- Place the salmon fillets in a shallow dish or a resealable plastic bag. Pour the marinade over the fish, turning to coat each fillet evenly. Cover and refrigerate for at least 1 hour, or up to 4 hours for a deeper flavor. Do not marinate longer than 4 hours, as the salt can start to cure the fish and change its texture.
- Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper or aluminum foil for easy cleanup.
- Remove the salmon from the marinade, letting any excess drip off. Place the fillets on the prepared baking sheet, skin-side down if skin is on.
- Bake for 10–12 minutes, depending on thickness, until the salmon is opaque and flakes easily with a fork. The internal temperature should reach 145°F (63°C) as the safe minimum for fish, per USDA FSIS guidelines.
- Optional: For a caramelized top, switch the oven to broil for the last 1–2 minutes, watching closely to prevent burning.
- Remove from the oven and let rest for 2 minutes. Garnish with sesame seeds and green onions before serving.
Tips
- Miso variety: White (shiro) miso is milder and sweeter, ideal for this dish. Yellow miso is slightly stronger; if using red miso, reduce the amount to 2 tablespoons (30 g) and add a pinch more sugar to balance the saltiness.
- Marinating time: Do not exceed 4 hours. The salt in miso and soy sauce will begin to cure the fish, making it firm and overly salty.
- Skin on or off: Keep the skin on to help the fillet hold together during baking and to add extra flavor. If you prefer skinless, that’s fine—just reduce baking time by a minute or two.
- Line your pan: The marinade can burn onto the pan, so always use parchment or foil. For even easier cleanup, use a silicone baking mat.
Serving Suggestions
Serve the miso salmon over steamed jasmine rice or brown rice with a side of blanched greens like spinach or bok choy. A simple cucumber salad with rice vinegar and sesame seeds also complements the rich fish. For a low-carb option, serve with cauliflower rice or roasted asparagus.
Variations
- Miso-glazed salmon: Instead of marinating, brush the marinade on top of the fillets just before baking for a lighter flavor.
- Spicy miso salmon: Add 1 teaspoon (5 ml) of sriracha or chili garlic sauce to the marinade for a kick.
- Broiled version: Place the marinated salmon on a broiler pan and broil 6 inches from the heat for 6–8 minutes, turning once, until the top is charred and the fish is cooked through.
- Air-fryer method: Cook at 375°F (190°C) for 8–10 minutes, no need to flip.
Storage and Reheating
Leftover miso salmon can be refrigerated in an airtight container for up to 3 days. To reheat, place it in a 300°F (150°C) oven for 5–7 minutes, or microwave on medium power in 30-second bursts until warm. Avoid overcooking to prevent dryness. You can also flake the cold salmon over salads or rice bowls for a quick lunch.
Frequently Asked Questions
How many calories are in miso salmon?
This recipe yields approximately 320–380 calories per serving (one 6 oz fillet with marinade). The exact count depends on the size of the fillet and the specific brands of miso and mirin you use. The miso and mirin add about 50–70 calories total per serving, while the salmon itself contributes the rest.
Can I use frozen salmon?
Yes, thaw it in the refrigerator overnight before marinating. Pat it dry with paper towels to remove excess moisture, then proceed with the recipe. Frozen salmon may release more water during baking, so increase the baking time by 2–3 minutes.
What can I substitute for mirin?
Mix 1 tablespoon (15 ml) dry sherry or white wine with 1 teaspoon (5 g) sugar. Or use 1 tablespoon (15 ml) rice vinegar plus 1 teaspoon (5 g) sugar. The flavor will be slightly less sweet and a bit more acidic.
Is miso paste gluten-free?
Traditional miso is made from soybeans and rice or barley, so some varieties contain barley (which has gluten). Look for a label that says “gluten-free” or check the ingredients for wheat or barley. If you’re sensitive, choose a 100% soybean miso (mame miso) or a certified gluten-free brand.
Can I prep the marinade ahead of time?
Absolutely. Whisk the marinade together and store it in an airtight container in the refrigerator for up to 5 days. You can also freeze the marinade in a zip-top bag for up to 3 months.
Why is my salmon dry?
Overcooking is the most common cause. Salmon continues to cook after you remove it from the oven, so pull it out when the center is still slightly translucent (about 140°F / 60°C) and let it rest; it will reach 145°F (63°C) as it sits. Also, avoid marinating too long, as the salt can draw out moisture.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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