Baked Salmon Cajun Spice

Four juicy salmon fillets rest on a baking tray, coated in a bold Cajun spice blend and roasted with lemon slices. Save
Four juicy salmon fillets rest on a baking tray, coated in a bold Cajun spice blend and roasted with lemon slices. | blueplatediaries.com

This dish features succulent salmon fillets seasoned with a vibrant mix of smoked paprika, garlic, and cayenne pepper. The fillets are brushed with olive oil, generously coated with the Cajun blend, and baked until perfectly flaky. Garnished with fresh lemon slices and parsley, it offers a quick, healthy meal with a spicy, smoky kick. Ideal for a simple weeknight dinner, it pairs well with rice or roasted vegetables.

The kitchen filled with that incredible smoky aroma the moment I opened the oven door. My roommate poked her head in, asking what smelled like a proper restaurant meal on a random Tuesday night. We stood around the counter picking at the first fillet, burning our fingers slightly because neither of us could wait another second to taste it. Now its my go-to when I need something impressive but absolutely effortless.

I first made this for a dinner party when I completely forgot to marinate anything ahead of time. Everyone assumed Id planned the menu for days, especially when they saw those gorgeous charred edges. The best part was actually having time to chat with my friends instead of being stuck at the stove.

Ingredients

  • Salmon fillets: Fresh fillets work best but thawed frozen ones are perfectly fine, just pat them really dry before seasoning
  • Smoked paprika: This is what gives you that authentic smoky flavor without actually firing up a smoker
  • Garlic and onion powder: These create a savory base that balances the heat from the cayenne
  • Dried thyme and oregano: Earthy herbs that round out the bold spices and add depth
  • Cayenne pepper: Start with half a teaspoon if youre heat sensitive, you can always add more next time
  • Olive oil: Helps the spices stick and creates a beautiful caramelized exterior
  • Lemon: The acid cuts through the rich fish and brightens the whole dish

Instructions

Get your oven ready:
Preheat to 200°C and line a baking tray with parchment paper for the easiest cleanup ever
Mix your magic dust:
Combine all the spices in a small bowl until theyre evenly distributed
Prep the fish:
Pat each salmon fillet completely dry with paper towels, then brush both sides with olive oil
Season generously:
Sprinkle the Cajun mixture over the fillets, pressing it gently into the flesh so it really sticks
Arrange for baking:
Lay the salmon on your prepared tray and tuck lemon slices around them
Bake to perfection:
Slide into the oven for 12 to 15 minutes until the fish flakes easily with a fork
Finish and serve:
Sprinkle with fresh parsley and an extra squeeze of lemon right before bringing to the table
Golden baked salmon fillets glisten with olive oil, a spicy Cajun crust, and fresh parsley garnish. Save
Golden baked salmon fillets glisten with olive oil, a spicy Cajun crust, and fresh parsley garnish. | blueplatediaries.com

This recipe became a weekend staple during those busy months when I was working late and still wanted something nourishing on the table. Theres something so satisfying about pulling perfectly cooked fish from the oven with almost zero active cooking time.

Making It Your Own

Ive played around with this recipe more times than I can count. Sometimes I add a tiny bit of brown sugar to the spice mix when Im craving something slightly sweet and spicy. Other times I swap the thyme for smoked sea salt if I want to really lean into the smoky vibes.

Side Dishes That Work

Garlic roasted potatoes are probably my favorite accompaniment, mostly because they can go into the oven alongside the salmon. A crisp green salad with a tangy vinaigrette cuts through the spices beautifully. On lazy nights, steamed rice with a drizzle of sesame oil is absolutely perfect.

Storage and Meal Prep

Cooked salmon keeps surprisingly well in the fridge for two to three days. I like to store it with a fresh lemon wedge so I can squeeze it over when reheating. The texture holds up beautifully, making it ideal for Sunday meal prep sessions.

  • Reheat gently in the microwave or a low oven to avoid drying it out
  • Serve cold over salads for an entirely different meal experience
  • The spice blend can be mixed in bulk and stored in an airtight jar for weeks
A close-up of tender salmon with Cajun seasoning, served hot with lemon wedges and a side of rice. Save
A close-up of tender salmon with Cajun seasoning, served hot with lemon wedges and a side of rice. | blueplatediaries.com

Theres something deeply satisfying about a recipe that delivers restaurant quality results with zero fuss. Hope this becomes your weeknight hero too.

Recipe FAQs

Salmon fillets, either skin-on or skinless, are ideal for even cooking and flavorful results.

Yes, adjust the cayenne pepper amount to control the heat level according to your preference.

Brushing olive oil helps the Cajun seasoning adhere properly and keeps the salmon moist during baking.

Rice, roasted vegetables, or a fresh green salad pair well, balancing the bold flavors of the spice blend.

Yes, trout or cod are suitable alternatives that cook well using the same method.

Baked Salmon Cajun Spice

Tender salmon fillets seasoned with a bold Cajun blend and baked to a juicy finish.

Prep 10m
Cook 15m
Total 25m
Servings 4
Difficulty Easy

Ingredients

Fish

  • 4 salmon fillets (about 5 ounces each), skin-on or skinless

Cajun Seasoning Blend

  • 2 teaspoons smoked paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon dried thyme
  • 1 teaspoon dried oregano
  • ½ teaspoon cayenne pepper (adjust to taste)
  • ½ teaspoon ground black pepper
  • ½ teaspoon salt

For Baking

  • 2 tablespoons olive oil
  • 1 lemon, sliced
  • Fresh parsley, chopped (for garnish)

Instructions

1
Preheat Oven: Preheat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease with cooking spray.
2
Prepare Seasoning: In a small bowl, combine smoked paprika, garlic powder, onion powder, dried thyme, dried oregano, cayenne pepper, black pepper, and salt. Mix until thoroughly blended.
3
Prepare Salmon: Pat the salmon fillets dry with paper towels to remove excess moisture. Brush each fillet with olive oil on both sides.
4
Season Salmon: Generously coat the top of each salmon fillet with the Cajun seasoning mixture, pressing gently to ensure the spices adhere to the fish.
5
Arrange for Baking: Place the seasoned salmon fillets on the prepared baking sheet. Arrange lemon slices on top of or around the fillets for added flavor.
6
Bake Salmon: Bake for 12-15 minutes, or until the salmon is opaque throughout and flakes easily when tested with a fork. The internal temperature should reach 145°F.
7
Finish and Serve: Remove from the oven and garnish with freshly chopped parsley. Serve immediately while hot.
Additional Information

Equipment Needed

  • Baking sheet
  • Parchment paper or nonstick cooking spray
  • Small mixing bowl
  • Pastry brush
  • Measuring spoons
  • Paper towels

Nutrition (Per Serving)

Calories 320
Protein 32g
Carbs 2g
Fat 20g

Allergy Information

  • Contains fish
  • This recipe is naturally gluten-free and dairy-free; verify all pre-mixed Cajun seasoning ingredients for hidden allergens
Sienna Caldwell

Seasonal recipes and relatable cooking tips for home cooks and food lovers.