Name: Lemon Butter Salmon with Asparagus
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Yield: 4 servings
Ingredients: 4 salmon fillets (6 ounces each), skin on or off; 1 bunch asparagus, trimmed; 4 tablespoons butter; 2 cloves garlic, minced; 1 lemon, juiced and zested; 2 tablespoons fresh parsley, chopped; 1 tablespoon olive oil; 1 teaspoon dried dill; Salt and black pepper to taste; Optional: 1/4 cup white wine for deglazing

Lemon Butter Salmon with Asparagus

This elegant and easy keto dinner features perfectly cooked salmon fillets with tender asparagus in a rich lemon butter sauce. Ready in under 20 minutes, it's perfect for busy weeknights or special occasions.

Prep

10 min

Cook

12 min

Serves

Keto Del Mundo TeamUpdated January 15, 2025Tested in our kitchen

Preparation (Mise en Place)

Select Quality Salmon

Choose wild-caught salmon when possible for superior flavor and omega-3 content. Look for firm flesh with a bright pink or orange color and a fresh, ocean-like smell.

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Room Temperature Fish

Remove salmon from refrigerator 15-20 minutes before cooking. This ensures even cooking throughout and prevents a cold center.

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Prep the Compound Butter

Mix softened butter with lemon zest, garlic, and herbs ahead of time. Roll into a log using plastic wrap and refrigerate for easy slicing.

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Method

Pat the salmon fillets dry with paper towels and season both sides with salt, pepper, and dried dill.
Heat olive oil in a large skillet over medium-high heat. Add the salmon fillets skin-side up (if using skin-on) and cook for 3-4 minutes until golden.
Flip the salmon and add the asparagus to the skillet around the fish. Cook for another 3-4 minutes.
Reduce heat to medium-low. Add the butter, minced garlic, and lemon zest to the skillet. As the butter melts, spoon it over the salmon and asparagus.
If using white wine, pour it in now and let it bubble for about 30 seconds to deglaze the pan.
Squeeze fresh lemon juice over everything (start with half the lemon, add more to taste). Continue basting the salmon with the lemon butter sauce.
Cook for another 2-3 minutes, or until the salmon is cooked through but still moist (internal temperature of 145°F/63°C). The asparagus should be tender-crisp.
Remove from heat and stir in the fresh parsley.
Transfer the salmon and asparagus to serving plates. Drizzle any remaining lemon butter sauce over the top.
Serve immediately with additional lemon wedges on the side.

Chef's tips

Crispy Skin Technique

Start skin-side down in a hot pan and do not move the fish for the first 3 minutes. This allows the skin to release naturally and become crispy.

Crispy Skin Technique - illustration 2 — Photo illustrating crispy skin technique - illustration 2

Doneness Test

Salmon is perfectly done when it flakes easily with a fork but still has a slightly translucent center. It will continue cooking after removal from heat.

Butter Basting

Tilt the pan and use a spoon to continuously baste the salmon with the melted butter. This creates incredible flavor and a glossy finish.

Substitutions

Fish Alternatives

Arctic char, trout, or halibut work beautifully with this preparation. Adjust cooking times based on thickness - about 4 minutes per half inch.

Dairy-Free Butter

Use ghee or avocado oil mixed with lemon juice for a dairy-free version. Coconut oil works but adds a subtle tropical flavor.

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Herb Variations

Replace dill with tarragon, chervil, or a combination of parsley and chives. Fresh herbs provide brighter flavor than dried.

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History

Nordic Origins

Salmon has been a staple in Nordic countries for thousands of years. Vikings preserved salmon through smoking and salting for long voyages.

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French Technique

The butter sauce technique comes from French cuisine, where meuniere-style cooking with brown butter and lemon became a classic preparation.

French Technique - illustration 2 — Photo illustrating french technique - illustration 2

Modern Health Food

Salmon became known as a superfood in the 1990s when researchers discovered its high omega-3 content. Its keto-friendly profile makes it a cornerstone of low-carb eating.

Nutrition per serving

4g
Carbs: 35g
Protein: 30g
Fat: 420
Calories

Per serving. Values are estimates from standard ingredient data.

Lemon Butter Salmon with Asparagus