- Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- In a bowl, season salmon and shrimp with salt, pepper, paprika, garlic powder, and lemon juice.
- Set aside while preparing the sauce.
Step 2: Make the Creamy Sauce
- In a skillet, melt butter over medium heat.
- Add onion and garlic, sautéing until soft (about 2–3 minutes).
- Stir in heavy cream, milk, Dijon mustard, Parmesan cheese, red pepper flakes, parsley, and thyme.
- Simmer for 3–4 minutes, stirring until thickened.
Step 3: Assemble the Casserole
- Spread cooked rice or pasta evenly in the baking dish.
- Arrange the seasoned salmon and shrimp over the base.
- Pour the creamy sauce evenly over the seafood.
- Sprinkle with shredded cheese and breadcrumbs (if using) for a golden, crispy finish.
Step 4: Bake the Casserole
- Bake uncovered for 20–25 minutes, or until shrimp is pink and salmon is flaky.
- Broil for 2–3 minutes for a golden, bubbly top.
- Remove from oven and let sit for 5 minutes before serving.
Serving and Storage Tips
🦐 Best served hot, garnished with fresh parsley and extra lemon wedges.
🦐 Store leftovers in an airtight container in the fridge for up to 3 days.
🦐 Freeze for up to 2 months—thaw in the fridge before reheating.
🦐 Reheat in the oven at 350°F (175°C) for 10–15 minutes or microwave in short bursts.
Variants
- Spicy Cajun Salmon & Shrimp Casserole – Use Cajun seasoning instead of herbs for a bolder kick.
- Garlic Butter Seafood Bake – Drizzle with garlic butter instead of creamy sauce for a lighter dish.
- Low-Carb Keto Version – Swap rice/pasta for cauliflower rice or zucchini noodles.
- Cheesy Alfredo Casserole – Replace Dijon mustard with Alfredo sauce for a super cheesy version.
- Mexican-Inspired Version – Add chopped tomatoes, jalapeños, and Monterey Jack cheese for a spicy twist.
FAQ
1. Can I use frozen shrimp and salmon?
Yes! Just thaw completely and pat dry before using.
2. What’s the best cheese for this recipe?
Provolone, cheddar, or mozzarella work best, but Parmesan adds extra flavor!
3. Can I add vegetables?
Absolutely! Try spinach, mushrooms, bell peppers, or peas for added nutrients.
4. Can I use a different protein?
Yes! Try chicken, crab, or scallops for variety.
5. How do I keep the seafood from overcooking?
✔ Don’t bake longer than 25 minutes.
✔ Cut salmon into uniform chunks for even cooking.
✔ Cover with foil if needed to retain moisture.
Final Thoughts
This Salmon and Shrimp Casserole is creamy, rich, and packed with flavor—a perfect meal for seafood lovers! Whether served for a family dinner or a special occasion, this dish is guaranteed to impress.
