lemon butter salmon and asparagus

Simple, elegant, and packed with healthy fats, this Lemon Butter Salmon and Asparagus is everything a keto dinner should be. The flaky, tender salmon gets drizzled with a buttery lemon-garlic sauce that enhances its natural richness without overpowering it. Roasted asparagus adds crunch and color, making this a one-pan meal that’s both quick and beautiful on the plate.

This dish is perfect for weeknights when you want something clean and fast, but it also works well for company or date night. Salmon and Asparagus is naturally low in carbs, gluten-free, and loaded with omega-3s—proof that keto can be both nourishing and gourmet.

Lemon Butter Salmon and Asparagus


🕒 Prep Time: 10 minutes

🔥 Cook Time: 15 minutes

Total Time: 25 minutes

a plate of Lemon Butter Salmon and Asparagus
📊 Nutrition (per serving — serves 4):
  • Total Carbs: 6g
  • Net Carbs: 4g
  • Fat: 29g
  • Protein: 34g
  • Fiber: 2g
  • Sugar Alcohols: 0g

🛒 Ingredients:

  • 4 salmon fillets (about 6 oz each)
  • 1 bunch asparagus, trimmed
  • 3 tablespoons butter, melted
  • 1 tablespoon olive oil
  • 2 cloves garlic, minced
  • Juice of 1 lemon
  • Zest of ½ lemon
  • Salt and pepper, to taste
  • Optional: fresh parsley or lemon wedges for garnish

👩‍🍳 Instructions:

  1. Preheat the oven
    Preheat your oven to 400°F (200°C). Line a sheet pan with parchment paper or foil for easy cleanup.
  2. Prepare the lemon butter
    In a small bowl, mix melted butter, olive oil, garlic, lemon juice, lemon zest, salt, and pepper.
  3. Assemble the pan
    Arrange salmon fillets and asparagus on the baking sheet. Drizzle the lemon butter mixture over everything, making sure the salmon is well-coated.
  4. Bake
    Bake for 12–15 minutes, or until the salmon flakes easily with a fork and asparagus is tender-crisp.
  5. Garnish and serve
    Sprinkle with fresh parsley or serve with lemon wedges, if desired.


Lemon Butter Salmon and Asparagus is a keto no-brainer: high in healthy fats, low in carbs, and quick to clean up. The lemon butter sauce adds brightness that cuts through the richness of the salmon, while the asparagus soaks up all the extra flavor from the pan.

You can easily double this recipe for a crowd or scale it down for a solo meal. And if you’re short on time, it works just as well in the air fryer. Either way, it’s a guaranteed go-to for fast, feel-good keto eating.

🔁 Looking for more keto dinner inspiration?
← Back to 10 Irresistible Keto Dinners to Keep You in Ketosis

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