Lemon-Herb Salmon with Roasted Sweet Potatoes & Asparagus

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

A skin-nourishing meal featuring wild-caught salmon, vitamin-rich sweet potatoes, and asparagus, roasted to enhance antioxidants and reduce breakouts. This mediterranean-inspired whole30 (anti-inflammatory, whole30-compliant) 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 340 calories and feeds 2, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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.

★ 4.1 (15 ratings) Prep: 15 min Cook: 35 min Serves 2 Mediterranean cuisine 340 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Peel and dice 2 medium sweet potatoes into 1/2-inch cubes, then toss with 1 tbsp olive oil, 1/4 tsp sea salt, and 1/4 tsp black pepper.
  2. Step 2: Trim woody ends from 1 bunch asparagus, then toss with 1 tbsp olive oil, 1/4 tsp sea salt, and 1/4 tsp black pepper.
  3. Step 3: Place sweet potatoes and asparagus on a parchment-lined baking sheet, spreading in a single layer, and roast for 20 minutes until golden and tender.
  4. Step 4: Season 8 oz salmon fillets with remaining 1/4 tsp sea salt, 1/4 tsp black pepper, and 1 tbsp chopped fresh rosemary.
  5. Step 5: Squeeze juice from 1 lemon over salmon and place on the baking sheet with vegetables, then roast for an additional 12-15 minutes until salmon flakes easily with a fork.
  6. Step 6: Check for doneness by inserting a fork into the thickest part of salmon; it should feel firm and opaque.

Frequently asked questions

How long does Lemon-Herb Salmon with Roasted Sweet Potatoes & 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 Lemon-Herb Salmon with Roasted Sweet Potatoes & 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 Lemon-Herb Salmon with Roasted Sweet Potatoes & 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 Lemon-Herb Salmon with Roasted Sweet Potatoes & Asparagus for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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.

Is Lemon-Herb Salmon with Roasted Sweet Potatoes & Asparagus whole30-compliant?

Yes — this recipe is tagged whole30-compliant based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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