Baked salmon fillets take just minutes to fix and cook, and the basil mayonnaise complements it perfectly. If you’re looking for a way to elevate your plain baked salmon, try this easy recipe. The sauce is a simple blended mixture of sour cream, mayonnaise, garlic powder, basil, a scallion, and parsley. It’s a super simple mixture to fix, and it is the perfect sauce for salmon and other fish or seafood. Feel free to adjust ingredients to suit your taste. If the sauce is too thick, thin it with a small amount of milk or cream.

A plate with baked salmon on a bed of rice with a drizzle of basil mayonnaise and lemon wedges on the side.
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Salmon Fillets With Basil Mayonnaise Recipe

a salmon fillet on rice with basil mayonnaise and parsley garnish

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A basil-garlic mayonnaise flavors these delicious baked salmon fillets perfectly. Put the rice on and dinner is ready in less than 30 minutes!

  • Author: Diana
  • Prep Time: 12 minutes
  • Cook Time: 12 minutes
  • Total Time: 24 minutes
  • Yield: 4 servings 1x
  • Category: Salmon, Easy Meals

Ingredients

Scale
  • 1/2 cup mayonnaise
  • 1/2 cup sour cream
  • Optional: 1 to 2 tablespoons cream or milk
  • 2 tablespoons fresh basil (chopped)
  • 1 scallion (coarsely chopped)
  • 1 tablespoon fresh parsley (chopped, plus more for garnish)
  • 1/8 teaspoon garlic powder (or to taste)
  • Kosher salt (to taste)
  • black pepper (freshly ground, to taste)
  • 1 1/2 pounds salmon fillets (4 fillets, about 6 ounces each)
  • 1 tablespoon lemon juice

Instructions

  1. In a blender or food processor, combine the mayonnaise, sour cream, chopped basil, chopped scallion, parsley, and 1/8 teaspoon of garlic powder. Blend until smooth.
  2. If desired, thin the mixture with some cream or milk. Taste and add salt and pepper, as needed. Add extra garlic powder, if desired.
  3. Put the mayonnaise mixture in a bowl or jar; cover and refrigerate until serving time.
  4. Preheat the oven to 425 F.
  5. Line a rimmed baking sheet with foil and spray it with nonstick cooking spray. Place the salmon fillets on it, skin-side down.
  6. Brush the salmon fillets with lemon juice and sprinkle them lightly with salt and pepper.
  7. Bake in the preheated oven for about 12 to 15 minutes, or until the fish is cooked through but still somewhat moist. If the fillets are quite thick, check with an instant-read thermometer. The minimum safe temperature is 145 F and they shouldn’t be much above that.
  8. Serve the salmon with a drizzling of the basil and garlic mayonnaise and finish with some fresh chopped parsley.

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