Salmon Fillets Baked with Lemon Dill Butter

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

Oven-baked salmon fillets topped with a zesty lemon dill butter that enhances the natural richness of the fish, perfect for a keto-friendly dinner. This mediterranean-inspired seafood (keto, low carb) ready in about 25 minutes pairs (6 oz each) salmon fillets, softened unsalted butter, finely chopped fresh dill for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
  2. Step 2: In a small bowl, mix 4 tbsp softened unsalted butter with 2 tbsp finely chopped fresh dill, 1 tsp lemon zest, 1 tbsp lemon juice, and 1/2 tsp garlic powder until well combined.
  3. Step 3: Place 4 salmon fillets skin-side down on the prepared baking sheet. Season each fillet evenly with 1 tsp salt and 1/2 tsp black pepper.
  4. Step 4: Spread the lemon dill butter mixture evenly over the top of each salmon fillet.
  5. Step 5: Bake in the preheated oven for 12-15 minutes until salmon is opaque and flakes easily with a fork. Serve hot.

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Frequently asked questions

How long does Salmon Fillets Baked with Lemon Dill Butter 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 Salmon Fillets Baked with Lemon Dill Butter?

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 (6 oz each) salmon fillets from drying out.

Can I substitute ingredients in Salmon Fillets Baked with Lemon Dill Butter?

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 Salmon Fillets Baked with Lemon Dill Butter 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 Salmon Fillets Baked with Lemon Dill Butter keto?

Yes — this recipe is tagged keto, low carb, 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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