Baked Salmon in Foil with Asparagus and Lemon Garlic Butter Sauce

• Prep Time: 10 minutes

• Cook Time: 15–20 minutes

• Total Time: 25–30 minutes

• Skill Intensity: Easy

• Servings: 4 servings

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Ingredients

For the Salmon & Vegetables:

• 4 (6-ounce) skinless salmon fillets, about 1-inch thick

• 1 pound fresh asparagus, tough ends trimmed

• 1 lemon, thinly sliced

• 2 tablespoons olive oil

• Salt and freshly ground black pepper, to taste

For the Lemon Garlic Butter Sauce:

• 4 tablespoons (½ stick) unsalted butter, melted

• 4 cloves garlic, minced

• 2 tablespoons fresh lemon juice (about ½ lemon)

• 1 tablespoon chopped fresh parsley, plus more for garnish

• 1 teaspoon lemon zest

• ½ teaspoon red pepper flakes (optional, for a touch of heat)

• ¼ teaspoon salt

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Instructions

1. Prepare for Cooking

Preheat your oven to 400°F (200°C). This high temperature is key to cooking the salmon quickly and evenly while keeping it moist. Cut 4 large sheets of heavy-duty aluminum foil, each about 12 inches long. If you’re using standard foil, double it up for extra durability.

2. Make the Lemon Garlic Butter Sauce

In a small bowl or a liquid measuring cup, combine the melted butter, minced garlic, fresh lemon juice, parsley, lemon zest, red pepper flakes (if using), and ¼ teaspoon of salt. Whisk until everything is well combined. Set aside.

3. Assemble the Foil Packets

Place one salmon fillet in the center of each foil sheet. Arrange the asparagus spears around the salmon—about 6 to 8 spears per packet. Drizzle 1½ teaspoons of olive oil over each portion of asparagus and season everything generously with salt and pepper.

Place 2 to 3 slices of lemon on top of each salmon fillet. The lemon slices will not only look beautiful but will also steam and release aromatic oils into the fish. Finally, spoon the lemon garlic butter sauce evenly over each salmon fillet and the asparagus, ensuring all components are coated. Reserve a little sauce for drizzling after cooking, if desired.

4. Seal the Packets

This step is crucial for trapping steam. Bring the long sides of the foil up and over the salmon and asparagus, folding them together in a tight seal. Then, fold the short ends closed, leaving a little room inside for air to circulate. The packets should be sealed but not crimped too tightly against the food. Place the foil packets on a large baking sheet for stability.

5. Bake

Bake for 15 to 20 minutes. The exact time will depend on the thickness of your salmon fillets. For 1-inch thick fillets, 15 minutes is usually perfect for a slightly translucent center (medium), while 18-20 minutes will cook it through to an opaque, flaky finish.

6. Serve

Carefully remove the baking sheet from the oven. Be cautious of the hot steam when opening the packets—open them away from your face. To serve, you can either transfer the salmon and asparagus to plates and spoon the buttery sauce from the packet over the top, or serve the packets individually for a fun, rustic presentation. Garnish with additional fresh parsley and a squeeze of fresh lemon juice if desired.

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Time & Intensity Breakdown

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Tips for the Perfect Foil-Baked Salmon

• Don’t Overcook: Salmon is best when it’s just cooked through. The fish is done when it flakes easily with a fork and registers an internal temperature of 125°F to 130°F (52°C to 54°C) for medium, or 140°F (60°C) for well-done. The residual heat will continue to cook it slightly after you open the packets.

• Customize Your Vegetables: This method is incredibly versatile. Try substituting the asparagus with thinly sliced zucchini, broccoli florets, or green beans. Just ensure the vegetables are cut into similarly-sized pieces for even cooking.

• For Extra Crispy Skin: If using skin-on salmon, you can sear the fillets skin-side down in a hot skillet for 2-3 minutes before placing them in the foil packets. This will give you crispy skin while the foil method keeps the flesh moist.

• Make It Ahead: You can assemble the foil packets up to 24 hours in advance. Store them in the refrigerator, then bake as directed when ready to serve. You may need to add 2-3 minutes to the baking time if cooking directly from cold.

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Nutrition Information

Nutrition information is an estimate and per serving (1 salmon fillet with asparagus and sauce).