Oven-Roasted Salmon with Citrus and Fennel

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

Tender oven-roasted salmon fillets served with a fragrant citrus and fennel salad for a bright, Whole30-compliant seafood entrée. This mediterranean-inspired seafood (whole30, gluten free) ready in about 25 minutes pairs salmon fillets, olive oil, sea salt 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 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: 10 min Cook: 15 min Serves 4 Mediterranean cuisine 380 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Line a baking sheet with parchment paper and brush with 1 tbsp olive oil. Place 4 salmon fillets skin-side down, brush with 1 tbsp olive oil, and season with 1 tsp sea salt and 1/2 tsp black pepper.
  2. Step 2: Roast salmon in the oven for 12-15 minutes until the flesh is opaque and flakes easily with a fork.
  3. Step 3: Meanwhile, in a medium bowl, combine 1 small thinly sliced fennel bulb, 1 peeled and sliced orange, 1 peeled and sliced lemon, 1/4 thinly sliced red onion, 1/2 tsp sea salt, 1/2 tsp black pepper, 2 tbsp chopped fresh dill, and 1 tbsp olive oil. Toss gently to combine and let it sit for 5 minutes to meld flavors.
  4. Step 4: Serve the roasted salmon fillets topped with the citrus fennel salad for a fresh, vibrant Whole30 seafood meal.

Frequently asked questions

How long does Oven-Roasted Salmon with Citrus and Fennel take to make?

Total time is about 25 minutes (10 min prep + 15 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 Oven-Roasted Salmon with Citrus and Fennel?

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 Oven-Roasted Salmon with Citrus and Fennel?

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 Oven-Roasted Salmon with Citrus and Fennel 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 Oven-Roasted Salmon with Citrus and Fennel whole30?

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

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