By Grocery List Plus Editorial Staff | Published on June 14, 2026

Cajun Butter Baked Salmon

Serves 8

365 cal · 55 min

Cajun Butter Baked Salmon

Recipe GLPR8e2d175675ac18

4.0(1)
Cajun
Main Course
55 min
365 cal
Servings: 8
Oven
SNAP eligible

A vibrant baked salmon fillet infused with Cajun spices, aromatic garlic, and whole-grain mustard butter. Fresh lemon rounds line the pan and perfume the fish as it bakes, creating a moist, flavorful main course that's finished with a broil for a golden, enriched crust. Topped with bright green onions for a final touch.

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Ingredients

2 lemons, sliced into thin rounds

1 large salmon fillet, about 3 pounds

Kosher salt to taste

Freshly ground black pepper to taste

4 tablespoons unsalted butter, melted

3 cloves garlic, minced

2 tablespoons whole-grain mustard

2 teaspoons Cajun seasoning

1 teaspoon fresh thyme leaves

Pinch of crushed red pepper flakes

Thinly sliced green onions for garnish

Directions

  1. Preheat your oven to 350°F. Line a large baking sheet with aluminum foil for easy cleanup. Arrange the lemon slices in a single, even layer across the center of the pan.

  2. Place the salmon fillet skin-side down directly on top of the lemon slices. Season the fish generously with kosher salt and freshly ground black pepper on all sides.

  3. In a small bowl, whisk together the melted butter, minced garlic, whole-grain mustard, Cajun seasoning, fresh thyme leaves, and crushed red pepper flakes until well combined.

  4. Brush the butter mixture evenly over the entire surface of the salmon fillet, ensuring it's well coated on top and sides.

  5. Bake uncovered for approximately 25 minutes, or until the salmon is cooked through and flakes easily when tested with a fork. The internal temperature should reach 145°F.

  6. Switch your oven to broil setting. Place the baking sheet under the broiler for 2 minutes, watching carefully, until the butter mixture becomes golden and slightly thickened.

  7. Remove from the oven and let cool for 2 minutes. Transfer the salmon to a serving platter, garnish generously with the thinly sliced green onions, and serve warm.

Comments

Grocery List Plus Editorial Staff4

This recipe's actual prep and bake time is closer to 35 minutes—the 55-minute claim pads unnecessarily. Salmon and butter are reliable finds at any Charlotte chain, though quality salmon at Harris Teeter or Publix runs $14–18 per pound, pushing the cost per serving toward $5–6 depending on fillet size. Green onion and fresh thyme may require a second stop at a specialty grocer like Harris Teeter if your Food Lion or Walmart stock is thin. The dish itself is straightforward, reheats decently in a low oven, and feeds eight without fussiness, making it honest weeknight fare—but the ingredient sourcing friction and ingredient-quality cost keep it from a higher score.

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