Mustard-Herb Crusted Salmon with Lemon Dill Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Pan-seared salmon fillets with a tangy mustard crust and bright lemon-dill sauce, served with roasted asparagus for a complete keto dinner. This american-inspired keto (low carb) ready in about 35 minutes blends (6 oz each), skin-on salmon fillets, Dijon mustard, fresh, chopped dill into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 410 calories and feeds 2, so a small batch covers several meals across the week without taking over the fridge. 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.

★ 4.4 (10 ratings) Prep: 15 min Cook: 20 min Serves 2 American cuisine 410 cal/serving
Plan a meal with the AI → Order on Instacart →

Ingredients

Instructions

  1. Step 1: Pat salmon dry with paper towels. Mix 1 tbsp Dijon mustard, 1 tbsp chopped dill, 1/4 tsp salt, and 1/8 tsp black pepper in a small bowl.
  2. Step 2: Rub mustard mixture evenly over salmon flesh side. Heat 1 tbsp olive oil in an oven-safe skillet over medium-high heat until shimmering.
  3. Step 3: Place salmon skin-side down in skillet; cook for 3-4 minutes until skin is crisp and golden.
  4. Step 4: Flip salmon, add 1 minced garlic clove to pan, and cook for 2 minutes more.
  5. Step 5: Transfer salmon to a plate and set skillet aside. Add 12 oz trimmed asparagus to the skillet with 1 tbsp olive oil; season with 1/4 tsp salt and cook for 8 minutes until tender-crisp.
  6. Step 6: Return skillet to medium heat, add 1/4 cup heavy cream, 1 tbsp lemon zest, and 1 tbsp lemon juice. Simmer for 3 minutes until sauce thickens slightly, stirring constantly.
  7. Step 7: Spoon sauce over salmon and asparagus, garnish with extra dill, and serve immediately.

Frequently asked questions

How long does Mustard-Herb Crusted Salmon with Lemon Dill Sauce take to make?

Total time is about 35 minutes (15 min prep + 20 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Mustard-Herb Crusted Salmon with Lemon Dill Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Mustard-Herb Crusted Salmon with Lemon Dill Sauce?

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 Mustard-Herb Crusted Salmon with Lemon Dill Sauce 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 Mustard-Herb Crusted Salmon with Lemon Dill Sauce low carb?

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

What others are saying

Related recipes

Equipment for this recipe

Top-rated tools to make this recipe successfully.

More Knives & cutting boards → Shop all kitchen tools →