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homemade baked lobster mac and cheese in a casserole dish
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5 from 3 votes

The Best Homemade Baked Lobster Mac and Cheese

Baked lobster mac and cheese is one of the most comforting dishes to make with rich, buttery lobster and creamy cheesy pasta.
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Main Course
Cuisine: American
Servings: 8 servings
Author: Ashley C.

Ingredients

  • 1 pound cavatappi pasta or elbow macaroni
  • 6 tablespoons unsalted butter divided
  • 1/4 cup all-purpose flour
  • 2 1/2 cups whole milk
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon freshly ground black pepper
  • Pinch grated nutmeg
  • 14 ounces Gruyere cheese freshly grated
  • 8 ounces sharp Cheddar cheese freshly grated
  • 1/2 cup grated Parmesan divided
  • 1 pound cooked lobster meat roughly chopped
  • 1/3 cup Panko breadcrumbs
  • Fresh parsley for garnish

Instructions

  • Preheat oven to 375 degrees F. Boil pasta and according to the directions on the package for al dente, 6 to 8 minutes; drain.
  • Meanwhile, melt ¼ cup butter in a large saucepan set over medium heat. Whisk in flour and cook 2-3 minutes, until golden brown. Slowly add milk, whisking until combined.
  • Season with salt, pepper, and nutmeg, then simmer 2-3 minutes until thickened. Remove the pan from the heat.
  • Stir in 12 ounces Gruyere, all Cheddar, and ¼ cup Parmesan cheeses, whisking until smooth. Gently stir in cooked pasta and lobster, then transfer to a 9x13 baking dish. Top with remaining Gruyere.
  • In a small bowl, melt remaining 2 tablespoons of butter, then stir in Panko and remaining Parmesan. Sprinkle over contents of baking dish, season with salt and pepper as desired, and bake for 20-30 minutes until browned and bubbly. Garnish with fresh parsley and serve immediately.

Notes

Reheating instructions
If frozen, make sure to thaw and reheat in your oven at 350 degrees F for about 30 minutes. If refrigerated, you can reheat in the oven for 15 to 20 minutes. When reheating in the microwave, cover the dish with a bit of melted butter or oil for moisture. 

Nutrition

Calories: 746kcal | Carbohydrates: 52g | Protein: 44g | Fat: 40g | Saturated Fat: 24g | Cholesterol: 192mg | Sodium: 879mg | Potassium: 421mg | Fiber: 2g | Sugar: 6g | Vitamin A: 1194IU | Calcium: 928mg | Iron: 2mg