This foolproof recipe for simple baked salmon turns out rich, buttery and flaky. Topped with spices and a lemony mayonnaise sauce, the salmon bakes on a sheet pan in about 20 minutes.
Mix the lemon mayo: Blend the mayonnaise, garlic and lemon juice in a small bowl.
Blend the spices: Combine the oregano, smoked paprika, salt, red and black pepper in a small bowl.
Drizzle some olive oil on a rimmed baking sheet. Put the salmon skin-side down on the baking sheet. Sprinkle the spice blend over the salmon, the rub it into the flesh with your fingers or the back of a spoon.
Drop spoonfuls of the lemon mayo over the top of the fish. Use a spoon or spatula to spread it out in one even layer.
Bake the salmon 15-20 minutes. The flesh should look opaque and feel firm to the touch when pressed at the thickest part of the fish, measuring 120F (50C) for medium-rare or 140-150F (62C) for well done on an instant-read thermometer.
Squeeze some lemon over the salmon. To serve, use a spatula to separate the skin from the cooked salmon fillets — it should come off easily. Enjoy!
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Notes
Season the salmon with the spice blend up to 24 hours before baking. Cover it with plastic wrap and refrigerate.
The lemon mayo can be mixed ahead — cover and refrigerate it for up to one day. Spread it over the salmon just before baking.
Baking one large piece of salmon (rather than individual portions) will give you the best results. However, you can use four 6-ounce pieces of salmon. Check them for doneness slightly sooner, 12-15 minutes after putting them in the oven.
For serving a larger gathering, you can use a whole side of salmon (which usually weighs 3-4 pounds). Double the spice and lemon mayo and bake slightly longer, 20-25 minutes.
If you're baking a less fatty type of salmon such as Sockeye, reduce the baking time to 10-12 minutes.