Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach

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

A simple Whole30-compliant dish featuring crisp-skinned salmon paired with caramelized sweet potatoes and sautéed spinach. This mediterranean-inspired whole30 (gluten free) ready in about 45 minutes pairs salmon fillets, sweet potatoes, fresh spinach 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 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.

★ 4.3 (13 ratings) Prep: 10 min Cook: 35 min Serves 4 Mediterranean cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 425°F. Toss 2 medium peeled and cubed sweet potatoes with 2 tbsp olive oil, 1/2 tsp sea salt, 1/2 tsp black pepper, and 1 tsp paprika in a bowl. Spread evenly on a baking sheet and roast for 25-30 minutes, turning halfway through, until tender and caramelized on edges.
  2. Step 2: While sweet potatoes roast, season 4 salmon fillets (6 oz each) with 1/2 tsp sea salt and remaining 1/4 tsp black pepper. Heat 1 tbsp olive oil in a large nonstick skillet over medium-high heat. Place salmon skin-side down and cook for 4-5 minutes until skin is crisp and edges start to brown.
  3. Step 3: Flip salmon and cook an additional 3-4 minutes until the flesh is opaque and flakes easily.
  4. Step 4: In a separate large skillet, heat 1 tbsp olive oil over medium heat. Add 4 minced garlic cloves and sauté for 30 seconds until fragrant. Add 6 cups fresh spinach and cook, stirring, until wilted and bright green, about 2-3 minutes. Season with a pinch of salt.
  5. Step 5: Serve the salmon fillets with roasted sweet potatoes and sautéed spinach, garnished with 4 lemon wedges for squeezing over the top.

Frequently asked questions

How long does Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach take to make?

Total time is about 45 minutes (10 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 Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach?

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 Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach?

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 Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach 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.

Is Pan-Seared Salmon with Roasted Sweet Potatoes and Spinach whole30?

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

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