Creamy Coconut Seafood Casserole with Lemongrass Magic

Name: Creamy Coconut Seafood Casserole with Lemongrass Magic
Prep time: 30 min
Cook time: 25 min
Total time: 60 min
Ingredients: 1 pound Large shrimp (peeled and deveined); 1 pound Sea scallops (patted dry); 1 pound Firm white fish fillets (cut into bite-sized pieces); 2 tablespoons Unsalted butter; 1 tablespoon Olive oil; 1 medium Yellow onion (finely chopped); 2 cloves Garlic (minced); 1 tablespoon Fresh ginger (finely grated); 2 stalks Fresh lemongrass (tender inner portions); 1 medium Red bell pepper (finely diced); 1 can Coconut milk (full fat); 2 cups Seafood stock; 1 tablespoon Fish sauce; 2 tablespoons Fresh lime juice; 1 teaspoon Lime zest; 1 tablespoon Brown sugar; 1 tablespoon Mild red curry paste; 1 teaspoon Ground turmeric; 1 teaspoon Salt; 1/2 teaspoon Black pepper (freshly ground); 2 tablespoons Cornstarch; 1/4 cup Cold water; 1 cup Panko breadcrumbs; 1/2 cup Unsweetened shredded coconut; 2 tablespoons Melted unsalted butter; 1/4 cup Fresh cilantro (finely chopped); 2 stalks Green onions (thinly sliced); 1 whole Red chili (optional)

Hi, I’m Melany Johnson

Easy recipes for everyday cooking

Posted on November 8, 2026

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As the aroma of lemongrass and ginger fills your kitchen, you know you’re about to embark on a culinary adventure. This Creamy Coconut Seafood Casserole with Lemongrass and Ginger doesn’t just promise a meal; it’s a dish that transforms any gathering into a memorable feast. With succulent shrimp, tender scallops, and flaky white fish mingling in a luscious sauce, this recipe is both a crowd-pleaser and impressively easy to whip up. You’ll enjoy a comforting dish that’s not only nutritious but also quick enough to chase away those fast-food cravings. Each layer of flavor and texture makes every bite a delight, inviting you back for more. Ready to elevate your dinner routine and tantalize your taste buds? Let’s dive into the recipe that’s about to become a staple at your table!

Why is this casserole so irresistible?

Creamy goodness awaits! With a luscious coconut base and aromatic hints of lemongrass and ginger, this dish is a flavor explosion. Quick and easy to prepare, it transforms weeknight dinners into gourmet experiences. Crowd-pleaser status is guaranteed with its hearty seafood medley, bringing everyone to the table. Pair it with some buttery crusty bread or steamed jasmine rice for a satisfying meal—whether it's a cozy family night or a festive gathering, this Creamy Coconut Seafood Casserole with Lemongrass and Ginger will definitely steal the show!

Creamy Coconut Seafood Casserole Ingredients

• Dive into a blend of flavors!

For the Seafood
• Large shrimp – peeled and deveined for the perfect bite.
• Sea scallops – patted dry to ensure a nice sear.
• Firm white fish fillets – cut into bite-sized pieces for even cooking.

For the Sauce
• Unsalted butter – enhances richness without overwhelming flavors.
• Olive oil – helps in sautéing for a delightful, golden finish.
• Yellow onion – finely chopped to build a sweet base.
• Garlic – minced to infuse aromatic depth.
• Fresh ginger – finely grated for a zesty kick.
• Fresh lemongrass – tender inner portions, bringing a fresh, citrusy note.
• Red bell pepper – finely diced for colorful crunch.
• Coconut milk – full fat for that creamy texture.
• Seafood stock – deepens the sauce flavors beautifully.
• Fish sauce – adds a savory umami twist.
• Fresh lime juice – brightens up the entire dish.
• Lime zest – intensifies the lime flavor.
• Brown sugar – balances the acidity for a rich, smooth sauce.
• Mild red curry paste – introduces just the right amount of warmth.
• Ground turmeric – gives a hint of earthiness and color.
• Salt – essential seasoning for depth.
• Black pepper – freshly ground for a warm kick.

For the Topping
• Cornstarch – thickens the sauce, enhancing texture.
• Cold water – helps activate the cornstarch properly.
• Panko breadcrumbs – creates a crispy topping when baked.
• Unsweetened shredded coconut – adds an extra layer of flavor and crunch.
• Melted unsalted butter – binds the topping together nicely.

For Garnishing
• Fresh cilantro – finely chopped for a burst of freshness.
• Green onions – thinly sliced to elevate presentation.
• Red chili – optional, but adds a pop of color and spice!

This Creamy Coconut Seafood Casserole with Lemongrass and Ginger is bound to enchant your family's taste buds!

Step-by-Step Instructions for Creamy Coconut Seafood Casserole with Lemongrass and Ginger

Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C). This ensures that your Creamy Coconut Seafood Casserole with Lemongrass and Ginger bakes evenly and thoroughly. While the oven heats, prepare a 9×13 inch ceramic baking dish by lightly greasing it with a small amount of butter.

Step 2: Prepare the Seafood
Pat the shrimp, scallops, and white fish dry using paper towels to remove excess moisture. This step helps to enhance the texture and taste. Once dried, place the seafood in a large bowl and refrigerate it to keep it cool while you prepare the aromatic coconut sauce.

Step 3: Sauté Aromatics
In a large skillet, heat 2 tablespoons of unsalted butter and 1 tablespoon of olive oil over medium heat. Once melted, add the finely chopped yellow onion. Sauté the onion for about 4 minutes until it softens and becomes translucent, filling your kitchen with a delightful aroma.

Step 4: Add Garlic and Ginger
Next, introduce the minced garlic and grated ginger to the skillet. Stir continuously for 1 minute until their fragrances become aromatic and inviting. This combination sets a beautiful flavorful foundation for your casserole that will pull everyone in.

Step 5: Incorporate Lemongrass and Bell Pepper
Add the finely minced lemongrass to the skillet, stirring for another minute to fully release its citrusy aroma. Then, toss in the diced red bell pepper, cooking for about 3 minutes until it begins to soften, which will add a lovely color and texture to the dish.

Step 6: Create the Coconut Sauce
Stir in the red curry paste and ground turmeric, cooking for an additional 30 seconds to enhance the flavors. Then, pour in the can of full-fat coconut milk along with the seafood stock, stirring until the sauce is smooth. This creamy base is essential for our seafood casserole.

Step 7: Flavor the Sauce
Add the fish sauce, fresh lime juice, lime zest, and brown sugar to the skillet, seasoning it with salt and black pepper. Bring this mixture to a gentle simmer over medium-low heat, allowing it to cook for about 5 minutes. This simmering melds all the flavors beautifully.

Step 8: Thicken the Sauce
In a small bowl, mix the cornstarch with 2 tablespoons of cold water until completely smooth. Slowly stir this cornstarch mixture into the simmering sauce, cooking for an additional 2 minutes while stirring until the sauce thickens slightly. This will give your casserole the perfect creamy consistency.

Step 9: Assemble the Casserole
Remove the skillet from heat and arrange the chilled shrimp, scallops, and white fish evenly in the prepared baking dish. Carefully pour the warm coconut sauce over the seafood, ensuring it coats everything evenly for a delightful melding of flavors in your Creamy Coconut Seafood Casserole with Lemongrass and Ginger.

Step 10: Prepare the Topping
In a small mixing bowl, combine the panko breadcrumbs with shredded coconut. Drizzle the melted butter over the breadcrumb mixture and stir until everything is lightly coated. This topping will create a crunchy, golden layer once baked.

Step 11: Bake the Casserole
Sprinkle the breadcrumb mixture evenly over the assembled seafood casserole. Place the baking dish on the middle rack of your preheated oven and bake uncovered for 18 to 22 minutes. The seafood should be fully cooked and the sauce bubbling around the edges when done.

Step 12: Finish and Serve
Check that the fish has reached an internal temperature of 145°F (63°C) and ensure the shrimp and scallops appear opaque. If needed, broil for 1 to 2 minutes for a lightly golden topping, keeping a close watch to prevent burning. Allow the casserole to rest for 5 minutes before garnishing with fresh cilantro and sliced green onions. Serve this enticing dish warm, perhaps alongside steamed jasmine rice or crusty bread.

How to Store and Freeze Creamy Coconut Seafood Casserole

Fridge: Store any leftover casserole in an airtight container, where it will stay fresh for up to 3 days. Reheat gently in the oven or microwave until heated through.

Freezer: You can freeze the casserole before baking. Wrap it tightly in plastic wrap and foil, labeling it with the date. It will keep well for up to 3 months.

Reheating: When ready to enjoy, thaw the frozen casserole in the fridge overnight. Bake at 375°F (190°C) until hot and bubbly, about 25 to 30 minutes, ensuring the seafood reaches a safe temperature.

Serving Suggestions: Garnish with fresh cilantro and green onions after reheating to revive the vibrant flavors of this Creamy Coconut Seafood Casserole with Lemongrass and Ginger!

Creamy Coconut Seafood Casserole Variations

Feel free to add your personal twist to this dish and make it truly yours!

Dairy-Free: Substitute coconut milk with almond or oat milk for a lighter version. The result is still creamy without the dairy.
Spice It Up: Add chopped jalapeños or a dash of cayenne pepper for a touch of heat. This adds a delightful kick that enhances the seafood flavors beautifully.
Veggie Boost: Include sautéed spinach or kale for extra nutrition. These greens not only uplift the flavors but also add a lovely pop of color to the casserole.
Different Seafood: Mix in crab or lobster instead of shrimp for a luxurious upgrade. Both seafood varieties will infuse the dish with their own unique flavors.
Citrus Twist: Swap lime juice for lemon juice or orange juice for a different citrus profile. Each option brings a refreshing brightness to balance the creaminess.
Quinoa Alternative: Instead of using seafood stock, replace it with vegetable stock and serve the casserole over quinoa for a hearty, gluten-free meal.
Noodle Layer: Incorporate cooked rice noodles within the casserole for a fun twist. The noodles absorb the flavors while adding a delightful texture.
Herb Variation: Replace cilantro with fresh basil or parsley for a different aromatic touch. Each herb offers a unique flavor that complements the seafood beautifully.

Try these variations to keep your Creamy Coconut Seafood Casserole with Lemongrass and Ginger exciting and tailored to your taste!

What to Serve with Creamy Coconut Seafood Casserole with Lemongrass and Ginger

Pairing this delightful seafood casserole with complementary sides elevates your meal into a tropical feast, tantalizing your senses.

Steamed Jasmine Rice: The fluffy texture of jasmine rice absorbs the rich coconut sauce beautifully, balancing the dish's creamy flavor.
Crusty Bread: A warm, crusty baguette provides the perfect vehicle to soak up every drop of the aromatic sauce. It's an irresistible addition for any bread lover.
Crisp Green Salad: Fresh mixed greens with a light vinaigrette add a refreshing crunch and bright flavor that contrasts wonderfully with the creamy casserole.
Roasted Vegetables: Caramelized carrots, bell peppers, and zucchini provide a different texture and savory sweetness, enhancing the dish's layers of flavor.
Coconut Rice: For an added tropical twist, serve luscious coconut-infused rice. It harmonizes with the casserole while adding extra creaminess that seafood lovers will adore.
Pineapple Salsa: A zesty pineapple salsa gives a fruity punch, cutting through the richness of the dish. The sweetness and acidity make for a vibrant pairing.
Mango Lassi: For a refreshing drink, a creamy mango lassi complements the spices in the casserole beautifully, offering a cooling touch to every bite.
Lime Sorbet: Finish off with a scoop of lime sorbet for a tangy, light dessert that brightens the palate after the hearty seafood feast.

Meal Prep Made Easy for Creamy Coconut Seafood Casserole with Lemongrass and Ginger

Preparing your Creamy Coconut Seafood Casserole with Lemongrass and Ginger in advance is a brilliant way to save time on busy weeknights! You can chop all your vegetables and mince the ginger and lemongrass up to 24 hours ahead, storing them in airtight containers in the refrigerator to maintain their freshness. Additionally, you can pat the seafood dry, refrigerate it, and even prepare the coconut sauce up to 3 days in advance for optimum flavor development. When you’re ready to cook, simply assemble the seafood and sauce, top with panko and coconut, then bake. This approach ensures that your meal is just as delicious, bringing warm, comforting flavors to your table with minimal fuss!

Expert Tips for Creamy Coconut Seafood Casserole

Seafood Selection: Opt for fresh seafood whenever possible. Frozen seafood works too, but ensure it's thawed properly for even cooking in your Creamy Coconut Seafood Casserole with Lemongrass and Ginger.
Thickening the Sauce: Mix the cornstarch thoroughly with cold water before adding to avoid lumps. This step is crucial for achieving the desired creamy texture.
Baking Time: Keep a close eye on the casserole during the last few minutes of baking. If you see the edges bubbling, it’s close to being perfectly cooked!
Golden Topping: Broiling can enhance the topping’s crunchiness, but watch it carefully to prevent burning the coconut and breadcrumbs.
Resting Period: Allow the casserole to sit for about 5 minutes after baking. This lets the sauce thicken slightly and makes serving easier.

Creamy Coconut Seafood Casserole with Lemongrass and Ginger Recipe FAQs

How do I choose the right seafood for this casserole?
Absolutely! For the best flavor and texture, choose fresh large shrimp, sea scallops, and firm white fish fillets like cod or halibut. Ensure that the seafood smells fresh and has a clean, ocean-like aroma. If using frozen versions, be sure they’re fully thawed and patted dry before cooking to enhance browning and flavor.

How should I store leftovers from the casserole?
Very! After enjoying this delectable dish, store any leftovers in an airtight container in the refrigerator. It’ll stay fresh for up to 3 days. When reheating, opt for the oven to restore that glorious creamy texture—just bake until warm throughout.

Can I freeze the Creamy Coconut Seafood Casserole?
Absolutely! You can freeze the casserole before baking for optimal freshness. Wrap it tightly in plastic wrap, followed by aluminum foil, and label it with the date. It will keep well in the freezer for up to 3 months. To reheat, thaw overnight in the fridge and then bake at 375°F (190°C) for about 25-30 minutes until hot and bubbly.

What if my sauce doesn’t thicken properly?
No worries! If your sauce is too thin, mix another tablespoon of cornstarch with a little cold water until smooth, then stir it into the sauce while simmering. Cook for a few minutes, stirring continuously until the desired thickness is reached. This is a great way to salvage the dish and ensure that creamy consistency!

Are there any dietary considerations I should keep in mind?
Definitely! If you have a shellfish allergy, feel free to substitute the shrimp and scallops with more firm white fish or even tofu for a vegetarian version. Also, check the fish sauce for gluten if you’re following a gluten-free diet; there are gluten-free alternatives available. Each variation still captures the essence of this Creamy Coconut Seafood Casserole with Lemongrass and Ginger while accommodating different dietary needs.