Miso-Glazed Salmon with Mashed Sweet Potatoes

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A delicate balance of umami and sweetness from a miso glaze, served with creamy sweet potato mash. This japanese-inspired seafood ready in about 55 minutes pairs salmon fillets, miso paste, soy sauce 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.

★ 3.3 (9 ratings) Prep: 25 min Cook: 30 min Serves 4 Japanese cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F (200°C). In a small bowl, whisk together 2 tbsp miso paste, 2 tbsp soy sauce, 1 tbsp mirin, and 1 tbsp honey. Set aside.
  2. Step 2: Place salmon fillets on a baking sheet lined with parchment paper. Brush the miso glaze generously over the top and sides of each fillet. Bake for 12-15 minutes until the glaze is caramelized and the salmon is flaky and cooked through.
  3. Step 3: While the salmon bakes, peel and cube 2 large sweet potatoes. In a large pot, boil the sweet potatoes with 1/2 tsp salt until tender, about 15-20 minutes. Drain and mash with 4 tbsp butter, 2 minced garlic cloves, 1/4 tsp black pepper, and additional salt to taste.
  4. Step 4: Serve the salmon with the mashed sweet potatoes, garnished with a drizzle of glaze and a sprinkle of sesame seeds if desired.

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Frequently asked questions

How long does Miso-Glazed Salmon with Mashed Sweet Potatoes take to make?

Total time is about 55 minutes (25 min prep + 30 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 Miso-Glazed Salmon with Mashed Sweet Potatoes?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep salmon fillets from drying out.

Can I substitute ingredients in Miso-Glazed Salmon with Mashed Sweet Potatoes?

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 Miso-Glazed Salmon with Mashed Sweet Potatoes 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 Miso-Glazed Salmon with Mashed Sweet Potatoes?

Japanese seafood 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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