Baked Lemon-Herb Salmon with Sweet Potato and Asparagus

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

Perfectly baked salmon fillets with a bright lemon-herb crust, served alongside roasted sweet potatoes and asparagus for a heart-healthy meal. This american-inspired snacks ready in about 50 minutes pairs salmon fillets, sweet potatoes, asparagus for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 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: 15 min Cook: 35 min Serves 4 American cuisine 380 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Place 2 medium peeled and sliced sweet potatoes (1/2-inch coins) and 1 bunch trimmed and cut asparagus (2-inch pieces) on a parchment-lined baking sheet. Drizzle with 1 tbsp olive oil, 1/4 tsp salt, and 1/8 tsp black pepper. Toss to coat.
  2. Step 2: Roast for 20 minutes until sweet potatoes are tender and asparagus is crisp-tender.
  3. Step 3: While vegetables roast, mix 1 tbsp lemon zest, 1 tbsp lemon juice, 1 tsp dried dill, 1/2 tsp dried thyme, 1/4 tsp salt, 1/8 tsp black pepper, and 1/2 tsp garlic powder in a small bowl.
  4. Step 4: Pat 4 salmon fillets (6 oz each, skin-on) dry with paper towels. Spread herb mixture evenly over each fillet.
  5. Step 5: Place salmon on a separate baking sheet and bake for 12-15 minutes until salmon is opaque and flakes easily with a fork. Serve with roasted vegetables.

Frequently asked questions

How long does Baked Lemon-Herb Salmon with Sweet Potato and Asparagus take to make?

Total time is about 50 minutes (15 min prep + 35 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 Baked Lemon-Herb Salmon with Sweet Potato and Asparagus?

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 Baked Lemon-Herb Salmon with Sweet Potato and Asparagus?

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 Baked Lemon-Herb Salmon with Sweet Potato and Asparagus 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 Baked Lemon-Herb Salmon with Sweet Potato and Asparagus?

American snacks 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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