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Slow baked salmon served with utensils on the side from the top view.
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5 from 2 votes

Slow Baked Salmon Recipe

Enjoy incredibly tender, flaky, and buttery salmon with this foolproof slow-baked recipe. With fresh lemon, shallots, and herbs, you can enjoy perfectly cooked salmon every time!
Prep Time5 minutes
Cook Time20 minutes
Total Time25 minutes
Course: Seafood
Cuisine: American
Diet: Gluten Free
Servings: 4 servings

Ingredients

  • 2 lb whole salmon fillet or 6 fillets of salmon (4-5 ounces each)
  • 3 tablespoons olive oil
  • 2 teaspoons Dijon mustard optional
  • 3 garlic cloves finely minced
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 1 small shallot thinly sliced (or you can use white or red onion as well)
  • ½ lemon thinly sliced
  • 2 tablespoons parsley finely chopped - optional garnish

Instructions

  • Preheat the oven to 275 degrees F/135 C. Line the sheet pan with the parchment paper.
  • In a bowl, combine the olive oil, Dijon mustard, minced garlic, kosher salt, and black pepper. Whisk until all ingredients are incorporated.
  • Pat dry the salmon and brush it with the olive oil mixture.
  • Place the salmon on the prepared baking sheet. Scatter the shallots over the top of the salmon. Finish with a single layer of lemon slices.
  • Bake for 18-20 minutes until the fish flakes or until a instant read thermometer inserted in the thickest part of the fish registers 125 degrees F.
  • Let it rest for 5 minutes, and then serve with chopped parsley, if desired.

Notes

  • Yields: This recipe makes one large fillet of salmon, which is usually ideal for 6 servings. The nutritional values below are per serving.
  • Salmon to buy: I prefer wild-caught Pacific salmon, such as King or Coho Salmon, but you can also use farm-raised Atlantic salmon, depending on availability and your budget. You can use a whole fillet like I did or buy six fillets (4-5 ounces each) of salmon.
  • Leave the salmon skin on or remove it: You can either leave the salmon skin intact, have the fishmonger remove it for you, or do it yourself at home. If you decide to leave the skin on, bake the skin side down for best results (the skin will fall right off once baked). Also, make sure to check for any lingering pin bones before cooking.
  • The thickness of the salmon matters: Keep in mind that the thicker the salmon, the longer the cooking time. My salmon was roughly 1 inch thick with a cooking time of 18 minutes (plus 5-minute carryover cooking) for medium-rare (125-130 degrees F.)
  • Cook to the desired temperature: I love medium rare salmon, so I take it out of the oven when the internal temperature reaches 125 degrees F. If you prefer your salmon a little more well done, bake a few more minutes until the temperature reaches 140-145 degrees F, depending on how well you want it done.
  • Storage: Cool the leftovers to room temperature. Then, transfer them to an airtight container and store them in the refrigerator for up to 5 days.
  • Reheat: Place the salmon fillet in a low-temperature oven (250 - 275 degrees F) for 5 minutes or until heated through.

Nutrition

Calories: 430kcal | Carbohydrates: 3g | Protein: 46g | Fat: 25g | Saturated Fat: 4g | Polyunsaturated Fat: 7g | Monounsaturated Fat: 13g | Cholesterol: 125mg | Sodium: 711mg | Potassium: 1178mg | Fiber: 1g | Sugar: 1g | Vitamin A: 266IU | Vitamin C: 11mg | Calcium: 43mg | Iron: 2mg

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