Easy Cajun Salmon and Shrimp Bake in Garlic Butter Tips, FAQ & printable recipe

Tips for success

To elevate this simple sheet pan meal, focus on the quality and freshness of your ingredients. Using freshly squeezed lemon juice over the cooked seafood right before serving cuts through the richness of the butter and enhances the bold Cajun spices.

If you prefer a smokier flavor profile, you can add a pinch of smoked paprika to the melted butter mixture. Additionally, letting your seafood sit at room temperature for about fifteen minutes before baking ensures more even cooking throughout the fillets and prevents the cold fish from dropping the oven temperature.

If you are cooking for a larger crowd, do not try to squeeze everything onto a single baking sheet. Instead, divide the salmon, shrimp, and seasoned butter between two separate baking sheets and rotate them halfway through the cooking process.

This maintains the necessary air circulation for proper roasting and caramelization. You can also customize the heat level of the Cajun butter by adding a pinch of cayenne pepper for extra spice, or a touch of brown sugar to create a sweet and savory glaze.

Variations

• Spicy Cream Cajun Bake: Stir two tablespoons of heavy cream into the melted Cajun butter before brushing it over the seafood for a richer, creamier sauce.
• Cajun Herb and Lime Bake: Substitute the lemon slices with fresh lime slices and garnish the finished dish with chopped fresh cilantro instead of parsley for a bright, zesty twist.

Storage and make-ahead

Fridge

Refrigerate leftovers in an airtight container within two hours of cooking, and consume within two days.

Freezer

Freezing is not recommended for this cooked seafood dish, as the texture of the shrimp and salmon will become soft and mushy upon thawing.

Reheat

Reheat gently in a skillet over low heat with a splash of water or butter, or in a 300°F (149°C) oven covered with foil until warmed through.

Store any leftover Cajun salmon and shrimp in an airtight glass container to preserve their flavor and prevent any seafood odors from escaping into your refrigerator. Make sure to pour any remaining garlic butter sauce from the baking sheet over the leftovers to keep them moist.

Refrigerate the seafood within two hours of cooking to ensure food safety. When stored properly, the cooked salmon and shrimp will remain fresh and delicious for up to two days, making them a convenient option for quick meals.

While seafood is always best enjoyed fresh from the oven, you can prepare several components of this dish in advance to save time. You can mix the Cajun seasoning, melt the butter, and combine them with the minced garlic up to a day ahead, storing the mixture in a small container in the refrigerator. You can also peel and devein the shrimp and portion the salmon fillets ahead of time, keeping them tightly wrapped in the refrigerator until you are ready to assemble and bake.

Serving ideas

Serve this vibrant Cajun seafood bake hot, straight from the oven, alongside sides that can soak up the delicious, spiced garlic butter sauce. A bed of fluffy white rice, jasmine rice, or quinoa is the perfect base, catching every drop of the flavorful pan juices. For a classic Southern pairing, serve the salmon and shrimp over warm, creamy stone-ground grits. You can also add a crusty French baguette or garlic bread to the table, allowing guests to mop up the savory butter left on their plates.

To balance the rich and spicy flavors of the bake, pair the seafood with a crisp, refreshing green salad tossed in a light vinaigrette. Steamed vegetables such as broccoli, asparagus, or green beans also make excellent, simple accompaniments that roast beautifully alongside the seafood if you have extra oven space.

For a complete sheet pan meal, you can toss some quick-cooking vegetables, like zucchini slices or cherry tomatoes, directly onto the baking sheet with the salmon and shrimp before baking.

Frequently asked questions

Recipe card

Easy Cajun Salmon and Shrimp Bake in Garlic Butter

Prep 10 minCook 15 minTotal 25 minServes 4

Ingredients

• 1 1/2 lb salmon fillets, cut into 4 portions
• 1 lb large shrimp, peeled and deveined
• 1/2 cup unsalted butter, melted
• 3 cloves garlic, minced
• 2 tbsp Cajun seasoning
• 1 lemon, sliced
• 2 tbsp fresh parsley, chopped

Instructions

1. Preheat your oven to 400°F (204°C). Line a large, rimmed baking sheet with aluminum foil or parchment paper for easy cleanup, then set it aside.
2. In a small bowl, combine the melted unsalted butter, minced garlic, and Cajun seasoning. Stir the mixture thoroughly until the spices are fully incorporated into the butter.
3. Place the salmon fillets and peeled shrimp in a single layer on the prepared baking sheet. Brush the Cajun garlic butter generously over the top of both the salmon and shrimp, ensuring every piece is well coated. Tuck the lemon slices around the seafood.
4. Place the baking sheet in the preheated oven and bake at 400°F (204°C) for 12 to 15 minutes. The salmon must reach an internal temperature of 145°F (63°C) and the shrimp must reach 145°F (63°C) to be fully cooked and safe to eat.
5. Remove the baking sheet from the oven. Sprinkle the freshly chopped parsley over the hot salmon and shrimp, and serve immediately with the warm pan juices poured over the top.

Contains: fish, crustaceans, milk

Estimated nutrition per serving

Calories

660

Protein

57.5 g

Carbohydrates

1 g

Fat

46.8 g

Fiber

0.2 g

Sugar

0.1 g

Sodium

800 mg

Automatic estimate from the ingredient list, not laboratory-verified.