When it comes to comfort food with a touch of elegance, nothing hits the spot quite like Creamy Seafood Mac and Cheese. This dish takes the cozy classic we all love and elevates it with tender shrimp, succulent crabmeat, and a luxuriously creamy cheese sauce.
Whether you’re making a special family dinner, hosting friends, or just treating yourself, this seafood mac and cheese is guaranteed to impress. Best of all, it’s simple enough for a weeknight meal but decadent enough for a special occasion.
Why You’ll Love This Recipe
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Creamy and Cheesy — A rich blend of cheddar, mozzarella, parmesan, and cream cheese.
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Loaded with Seafood — Juicy shrimp and sweet lump crab add incredible flavor.
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Comforting and Elegant — The perfect balance of indulgence and sophistication.
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Easy to Make — Simple steps with show-stopping results.
Ingredients
(Serves 8 — Scale as needed)
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1 pound raw large shrimp, cut into 1-inch pieces
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1 pound elbow macaroni
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8 ounces lump crabmeat
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5 tablespoons butter
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1 teaspoon Cajun seasoning (optional)
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1 teaspoon Old Bay seasoning
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2 cups milk
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3 tablespoons all-purpose flour
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1 cup heavy cream
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4 ounces cream cheese (optional but highly recommended)
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1 cup shredded mozzarella
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2 cups shredded sharp cheddar cheese
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½ cup shredded parmesan cheese
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½ teaspoon onion powder
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Salt and black pepper, to taste
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Cooking spray, as needed
Instructions
Step 1 — Preheat and Prepare the Pasta
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Preheat your oven to 375°F (190°C).
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Cook the elbow macaroni according to package directions until al dente.
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Drain, rinse under cold water, and set aside.
Step 2 — Cook the Seafood
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Heat a large skillet over medium heat and melt 1 tablespoon butter.
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Add the shrimp, sprinkle with Old Bay (and Cajun seasoning if using), and sauté for 3–4 minutes until just cooked through.
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Stir in the lump crabmeat, toss gently to combine, and remove the pan from heat.
Step 3 — Make the Cheese Sauce
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In another large skillet or saucepan, melt 4 tablespoons butter over medium heat.
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Gradually whisk in 3 tablespoons flour to form a smooth roux.
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Slowly add 2 cups milk and 1 cup heavy cream, whisking constantly until the sauce thickens.
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Add half the cheddar, mozzarella, parmesan, and the cream cheese if using.
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Stir until melted and creamy.
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Season with onion powder, salt, and black pepper to taste.
Step 4 — Assemble the Mac and Cheese
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Place the cooked macaroni back in the pot or a large mixing bowl.
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Pour the cheese sauce over the pasta and mix until well coated.
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Gently fold in the seafood mixture, including any buttery sauce from the pan.
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Taste and adjust seasonings if needed.
Step 5 — Bake
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Grease a 13×9-inch baking dish with cooking spray.
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Spread the mac and cheese mixture evenly in the dish.
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Top with the remaining shredded cheese.
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Bake uncovered for 20–25 minutes, until bubbly and golden on top.
Step 6 — Serve and Enjoy
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Let cool slightly before serving.
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Garnish with fresh herbs or a sprinkle of paprika if desired.
Make-Ahead & Storage Tips
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Make-Ahead: Assemble the dish up to Step 5 and refrigerate for up to 1 day before baking.
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Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave.
Final Thoughts
This Creamy Seafood Mac and Cheese is everything you love about macaroni and cheese—with a luxurious seafood twist. It’s rich, indulgent, packed with flavor, and destined to become a favorite in your recipe collection. Whether for a cozy family meal or a special gathering, this dish never disappoints.