Sheet Pan Cajun-Spiced Salmon with Asparagus
Oven-roasted salmon fillets seasoned with bold Cajun spices alongside tender crisp asparagus, making a vibrant and nutritious Whole30 seafood dinner. This American-inspired seafood recipe (whole30, gluten free), ready in about 25 minutes, pairs salmon fillets, fresh asparagus, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 pieces (6 oz each) salmon fillets
- 1 lb, trimmed fresh asparagus
- 3 tbsp, divided olive oil
- 1 tbsp paprika
- 1 tsp garlic powder
- 1 tsp onion powder
- 1/2 tsp cayenne pepper
- 1/2 tsp dried oregano
- 1 tsp, divided sea salt
- 1/2 tsp, divided black pepper
- 4 wedges, for serving lemon wedges
The sheet pan we’d roast this on → Best Sheet Pans in 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 400°F. Line a large baking sheet with parchment paper. Arrange 4 salmon fillets skin-side down and 1 lb trimmed asparagus in a single layer.
- Step 2: In a small bowl, mix 2 tbsp olive oil with 1 tbsp paprika, 1 tsp garlic powder, 1 tsp onion powder, 1/2 tsp cayenne pepper, 1/2 tsp dried oregano, 1/2 tsp sea salt, and 1/4 tsp black pepper to create the Cajun spice blend.
- Step 3: Brush the Cajun spice mixture evenly over the salmon fillets. Drizzle the remaining 1 tbsp olive oil over the asparagus and season with the remaining 1/2 tsp sea salt and 1/4 tsp black pepper.
- Step 4: Roast everything in the oven for 12-15 minutes until the salmon flakes easily with a fork and asparagus is tender-crisp.
- Step 5: Serve the salmon and asparagus with 4 lemon wedges for squeezing over the top to add brightness.








