Seafood Mac and Cheese Recipe

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Charlie Modified: October 5, 2021
Seafood Mac and Cheese Recipe


How To Make Seafood Mac and Cheese

Delight your taste buds with a creamy bite of this seafood mac and cheese, packed with shrimp and crab meat, for a tummy-filling dish.

Prep: 40 mins
Cook: 30 mins
Total: 1 hr 10 mins


  • 16 oz elbow macaroni, (1 package) cooked for 2 minutes less than al dente, drained, and rinsed with cold water
  • 7 tbsp butter, divided
  • ¾ lb shrimp, medium, peeled, deveined, and chopped into ½-inch pieces
  • ½ cup panko bread crumbs, Italian seasoned
  • 1 cup yellow onion, diced
  • 1 tsp garlic, freshly minced
  • cup all-purpose flour
  • 3 cups whole milk
  • tsp ground nutmeg
  • ½ tsp Old Bay Seasoning
  • tsp kosher salt, or to taste
  • ¾ tsp freshly ground black pepper, to taste
  • 1⅓ cups Parmesan cheese, shredded
  • 1⅓ cups Swiss cheese, shredded
  • 1⅓ cups sharp cheddar cheese, shredded
  • ½ lb lump crab meat, cooked
  • parsley, fresh chopped, for garnish, optional


  1. Preheat the oven to 400 degrees F.

  2. Melt 1 tablespoon of the butter in a large skillet over medium-high heat. Add shrimp and cook, stirring constantly, for about 3 minutes or just until pink. Remove from heat and set aside.

  3. In a large saucepan, melt the remaining butter. Transfer 2 tablespoons of the melted butter to a medium bowl and toss with the panko bread crumbs.

  4. Add diced onions and garlic to melted butter in a saucepan and cook for about 3 to 4 minutes until softened, stirring constantly.

  5. Add flour and cook for an additional minute, stirring constantly.
  6. Add milk and whisk until smooth and there are no lumps.
  7. Bring to a gentle boil, reduce heat to maintain a simmer and cook until thickened, whisking constantly.
  8. Season with salt, pepper, nutmeg and Old Bay Seasoning.
  9. Remove saucepan from burner. Add cheeses and stir until smooth. Fold in macaroni, shrimp, and crab meat.

  10. Transfer to an 11x7-inch casserole dish that has been sprayed with cooking spray.

  11. Top evenly with buttery panko bread crumb mixture.
  12. Bake for 15 to 20 minutes, or until bread crumb topping is golden brown and sauce is bubbling around the edges.

  13. Sprinkle with fresh chopped parsley, for garnish if desired. Enjoy!


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