Baked Lemon-Rosemary Salmon with Asparagus

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Tender salmon fillets baked with fresh lemon slices and rosemary, served alongside roasted asparagus for a bright, healthy meal. This mediterranean-inspired seafood (gluten free) ready in about 25 minutes pairs about 6 oz each salmon fillets, large, thinly sliced lemon, chopped fresh rosemary for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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: 10 min Cook: 15 min Serves 4 Mediterranean cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat the oven to 400°F (200°C). Line a baking sheet with parchment paper. Place 1 lb trimmed asparagus spears on one side of the sheet and drizzle with 1 tbsp olive oil, 1/2 tsp salt, and 1/4 tsp black pepper. Toss to coat evenly.
  2. Step 2: Arrange 4 salmon fillets on the other side of the baking sheet. Brush each fillet with 2 tbsp olive oil mixed with 3 minced garlic cloves, 1 tsp salt, and 1/4 tsp black pepper. Top each fillet with 2-3 thin lemon slices and sprinkle 2 tbsp chopped fresh rosemary evenly over the fish.
  3. Step 3: Bake for 12-15 minutes, until the salmon flakes easily with a fork and asparagus is tender-crisp. Remove from oven and drizzle 1 tbsp fresh lemon juice over salmon and asparagus before serving.

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Frequently asked questions

How long does Baked Lemon-Rosemary Salmon with Asparagus 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 Baked Lemon-Rosemary Salmon with Asparagus?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep large, thinly sliced lemon from drying out.

Can I substitute ingredients in Baked Lemon-Rosemary Salmon with 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-Rosemary Salmon with 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.

Is Baked Lemon-Rosemary Salmon with Asparagus gluten free?

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