Herb-Roasted Salmon with Sweet Potato & Avocado

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

A nutrient-dense, protein-rich meal to prevent dizziness from under-eating during Whole30, featuring perfectly roasted salmon and sweet potatoes with creamy avocado. This mediterranean-inspired sheet pan (whole30) ready in about 40 minutes pairs salmon fillets, sweet potato, avocado for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 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.

Prep: 15 min Cook: 25 min Serves 2 Mediterranean cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Toss 1 medium cubed sweet potato (1/2-inch cubes) with 1 tbsp olive oil, 1/2 tsp dried thyme, and a pinch of salt on a baking sheet.
  2. Step 2: Roast sweet potatoes for 15 minutes while preparing salmon.
  3. Step 3: Pat 6 oz salmon fillets dry, then rub with 1 tbsp olive oil, 1 tsp lemon zest, and 1/2 tsp dried thyme. Place on a separate baking sheet.
  4. Step 4: After 15 minutes, add salmon to oven and roast for 12-15 minutes until flaky and opaque throughout.
  5. Step 5: Serve salmon over roasted sweet potatoes, topped with 1/2 medium sliced avocado.

Frequently asked questions

How long does Herb-Roasted Salmon with Sweet Potato & Avocado take to make?

Total time is about 40 minutes (15 min prep + 25 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 Herb-Roasted Salmon with Sweet Potato & Avocado?

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 Herb-Roasted Salmon with Sweet Potato & Avocado?

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 Herb-Roasted Salmon with Sweet Potato & Avocado 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 Herb-Roasted Salmon with Sweet Potato & Avocado whole30?

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

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